M := array (1..451);
M[1] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 7, 7, 7, 7, 7, 7], [3, 7, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[2] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 7, 7, 7, 7, 7], [3, 7, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[3] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 7, 7, 7, 7, 7], [3, 7, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[4] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 7, 7, 7, 7, 7], [3, 7, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[5] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 7, 7, 7, 7, 7], [3, 7, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[6] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 7, 7, 7, 7, 7], [3, 7, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[7] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 7, 7, 7, 7], [3, 6, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[8] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 6, 7, 7, 7, 7], [3, 6, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[9] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 6, 7, 7, 7, 7], [3, 6, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[10] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 6, 7, 7, 7, 7], [3, 6, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[11] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 7, 7, 7, 7], [3, 5, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[12] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 7, 7, 7, 7], [3, 5, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[13] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 5, 7, 7, 7, 7], [3, 5, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[14] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 7, 7, 7, 7], [3, 4, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[15] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 7, 7, 7, 7], [3, 4, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[16] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 7, 7, 7, 7], [3, 3, 7, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[17] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 7, 7, 7, 7], [3, 6, 6, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[18] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 6, 7, 7, 7, 7], [3, 6, 6, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[19] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 6, 7, 7, 7, 7], [3, 6, 6, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[20] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 7, 7, 7, 7], [3, 5, 6, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[21] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 7, 7, 7, 7], [3, 5, 6, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[22] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 7, 7, 7, 7], [3, 4, 6, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[23] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 7, 7, 7, 7], [3, 5, 5, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[24] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 7, 7, 7, 7], [3, 5, 5, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[25] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 7, 7, 7, 7], [3, 4, 5, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[26] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 7, 7, 7, 7], [3, 4, 4, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[27] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 7, 7, 7, 7], [3, 3, 3, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[28] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 7, 7, 7, 7], [3, 3, 3, 7, 7, 7, 7], [4, 7, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[29] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 6, 7, 7, 7], [3, 6, 7, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[30] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 6, 6, 7, 7, 7], [3, 6, 7, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[31] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 6, 6, 7, 7, 7], [3, 6, 7, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[32] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 6, 6, 7, 7, 7], [3, 6, 7, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[33] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 6, 7, 7, 7], [3, 5, 7, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[34] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 6, 7, 7, 7], [3, 5, 7, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[35] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 5, 6, 7, 7, 7], [3, 5, 7, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[36] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 6, 7, 7, 7], [3, 6, 6, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[37] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 6, 6, 7, 7, 7], [3, 6, 6, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[38] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 6, 6, 7, 7, 7], [3, 6, 6, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[39] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 6, 7, 7, 7], [3, 5, 6, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[40] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 6, 7, 7, 7], [3, 5, 6, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[41] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 6, 7, 7, 7], [3, 4, 6, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[42] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 6, 7, 7, 7], [3, 5, 5, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[43] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 6, 7, 7, 7], [3, 5, 5, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[44] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 6, 7, 7, 7], [3, 3, 3, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[45] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 7, 7, 7], [3, 5, 7, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[46] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 5, 7, 7, 7], [3, 5, 7, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[47] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 5, 5, 7, 7, 7], [3, 5, 7, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[48] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 7, 7, 7], [3, 5, 6, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[49] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 5, 7, 7, 7], [3, 5, 6, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[50] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 7, 7, 7], [3, 5, 5, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[51] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 5, 7, 7, 7], [3, 5, 5, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[52] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 5, 7, 7, 7], [3, 4, 5, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[53] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 5, 7, 7, 7], [3, 3, 3, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[54] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 7, 7, 7], [3, 4, 7, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[55] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 7, 7, 7], [3, 3, 7, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[56] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 7, 7, 7], [3, 4, 6, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[57] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 7, 7, 7], [3, 4, 5, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[58] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 7, 7, 7], [3, 3, 4, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[59] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 7, 7, 7], [3, 3, 3, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[60] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 6, 7, 7, 7], [3, 6, 6, 6, 7, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[61] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 6, 6, 7, 7, 7], [3, 6, 6, 6, 7, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[62] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 6, 7, 7, 7], [3, 5, 6, 6, 7, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[63] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 6, 7, 7, 7], [3, 5, 5, 6, 7, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[64] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 6, 7, 7, 7], [3, 4, 4, 6, 7, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[65] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 7, 7, 7], [3, 5, 6, 6, 7, 7, 7], [4, 5, 6, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[66] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 7, 7, 7], [3, 5, 5, 6, 7, 7, 7], [4, 5, 6, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[67] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 7, 7, 7], [3, 5, 5, 5, 7, 7, 7], [4, 5, 5, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[68] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 5, 7, 7, 7], [3, 4, 4, 5, 7, 7, 7], [4, 5, 5, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[69] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 7, 7, 7], [3, 3, 3, 4, 7, 7, 7], [4, 4, 4, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[70] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 7, 7, 7], [3, 3, 3, 4, 7, 7, 7], [4, 4, 4, 7, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[71] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 6, 7, 7, 7], [3, 6, 6, 6, 7, 7, 7], [4, 6, 6, 6, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[72] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 6, 6, 7, 7, 7], [3, 6, 6, 6, 7, 7, 7], [4, 6, 6, 6, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[73] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 6, 7, 7, 7], [3, 5, 6, 6, 7, 7, 7], [4, 6, 6, 6, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[74] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 6, 7, 7, 7], [3, 5, 5, 6, 7, 7, 7], [4, 6, 6, 6, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[75] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 7, 7, 7], [3, 5, 6, 6, 7, 7, 7], [4, 5, 6, 6, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[76] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 7, 7, 7], [3, 5, 5, 6, 7, 7, 7], [4, 5, 6, 6, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[77] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 7, 7, 7], [3, 5, 5, 5, 7, 7, 7], [4, 5, 5, 6, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[78] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 7, 7, 7], [3, 5, 5, 5, 7, 7, 7], [4, 5, 5, 5, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[79] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 4, 7, 7, 7], [3, 4, 4, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[80] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 4, 7, 7, 7], [3, 4, 4, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[81] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 7, 7, 7], [3, 4, 4, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[82] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 7, 7, 7], [3, 3, 4, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[83] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 7, 7, 7], [3, 3, 3, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[84] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 7, 7, 7], [3, 3, 3, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 7, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[85] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 6, 6, 7, 7], [3, 6, 7, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[86] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 6, 6, 6, 7, 7], [3, 6, 7, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[87] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 6, 6, 6, 7, 7], [3, 6, 7, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[88] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 6, 6, 6, 7, 7], [3, 6, 7, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[89] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 6, 6, 7, 7], [3, 6, 6, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[90] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 6, 6, 6, 7, 7], [3, 6, 6, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[91] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 6, 6, 6, 7, 7], [3, 6, 6, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[92] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 5, 6, 6, 7, 7], [3, 5, 6, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[93] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 6, 6, 7, 7], [3, 4, 6, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[94] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 6, 6, 7, 7], [3, 3, 3, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[95] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 6, 6, 7, 7], [3, 6, 6, 6, 7, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[96] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 6, 6, 6, 7, 7], [3, 6, 6, 6, 7, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[97] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 6, 6, 7, 7], [3, 5, 6, 6, 7, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[98] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 6, 6, 7, 7], [3, 4, 5, 6, 7, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[99] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 6, 6, 7, 7], [3, 4, 4, 6, 7, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[100] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 5, 5, 6, 7, 7], [3, 5, 6, 6, 7, 7, 7], [4, 5, 6, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[101] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 5, 6, 7, 7], [3, 4, 5, 6, 7, 7, 7], [4, 5, 6, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[102] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 6, 7, 7], [3, 3, 3, 4, 7, 7, 7], [4, 4, 4, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[103] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 6, 6, 7, 7], [3, 6, 6, 6, 7, 7, 7], [4, 6, 6, 6, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[104] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 6, 6, 6, 7, 7], [3, 6, 6, 6, 7, 7, 7], [4, 6, 6, 6, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[105] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 5, 6, 7, 7], [3, 5, 6, 6, 7, 7, 7], [4, 5, 6, 6, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[106] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 5, 5, 6, 7, 7], [3, 5, 6, 6, 7, 7, 7], [4, 5, 6, 6, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[107] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 4, 6, 7, 7], [3, 4, 4, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[108] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 4, 6, 7, 7], [3, 4, 4, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[109] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 6, 7, 7], [3, 3, 3, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[110] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 5, 5, 5, 7, 7], [3, 5, 7, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[111] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 7, 7], [3, 3, 7, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[112] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 5, 5, 5, 7, 7], [3, 5, 6, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[113] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 7, 7], [3, 3, 5, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[114] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 7, 7], [3, 3, 3, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[115] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 7, 7], [3, 4, 7, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[116] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 7, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[117] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 7, 7], [3, 4, 6, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[118] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 5, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[119] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 4, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[120] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 3, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[121] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 5, 5, 5, 7, 7], [3, 5, 6, 6, 7, 7, 7], [4, 5, 6, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[122] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 5, 5, 7, 7, 7], [4, 4, 5, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[123] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 4, 5, 7, 7, 7], [4, 4, 5, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[124] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 3, 4, 7, 7, 7], [4, 4, 4, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[125] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 5, 5, 5, 7, 7], [3, 5, 6, 6, 7, 7, 7], [4, 5, 6, 6, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[126] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 7, 7], [3, 4, 5, 5, 7, 7, 7], [4, 4, 5, 5, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[127] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 5, 5, 7, 7, 7], [4, 4, 5, 5, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[128] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 7, 7], [3, 4, 4, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[129] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 4, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[130] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 3, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[131] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 6, 6, 7, 7], [3, 6, 6, 6, 6, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[132] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 6, 6, 7, 7], [3, 5, 5, 6, 6, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[133] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 6, 6, 7, 7], [3, 5, 5, 6, 6, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[134] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 6, 6, 7, 7], [3, 4, 5, 6, 6, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[135] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 6, 6, 7, 7], [3, 4, 4, 6, 6, 7, 7], [4, 6, 6, 7, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[136] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 6, 6, 7, 7], [3, 6, 6, 6, 6, 7, 7], [4, 6, 6, 6, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[137] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 6, 6, 7, 7], [3, 5, 5, 6, 6, 7, 7], [4, 6, 6, 6, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[138] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 5, 6, 7, 7], [3, 4, 4, 5, 6, 7, 7], [4, 5, 5, 6, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[139] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 4, 6, 7, 7], [3, 4, 4, 4, 6, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[140] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 5, 5, 7, 7], [3, 3, 3, 5, 5, 7, 7], [4, 5, 5, 7, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[141] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 7, 7], [3, 3, 3, 5, 5, 7, 7], [4, 5, 5, 7, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[142] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 3, 5, 5, 7, 7], [4, 4, 5, 7, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[143] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 7, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 7, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[144] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 7, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[145] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 5, 5, 7, 7], [3, 3, 3, 5, 5, 7, 7], [4, 5, 5, 6, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[146] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 7, 7], [3, 3, 3, 5, 5, 7, 7], [4, 5, 5, 6, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[147] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 7, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 5, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[148] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 5, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[149] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 7, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[150] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[151] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 6, 6, 7, 7], [3, 6, 6, 6, 6, 7, 7], [4, 6, 6, 6, 6, 7, 7], [5, 6, 6, 6, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[152] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 6, 7, 7], [3, 5, 5, 5, 6, 7, 7], [4, 5, 5, 5, 6, 7, 7], [5, 6, 6, 6, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[153] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 4, 5, 7, 7], [3, 4, 4, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[154] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 4, 5, 7, 7], [3, 4, 4, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[155] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 7, 7], [3, 4, 4, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[156] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 4, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[157] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 7, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[158] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 7, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[159] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 6, 6, 7, 7], [3, 6, 6, 6, 6, 7, 7], [4, 6, 6, 6, 6, 7, 7], [5, 6, 6, 6, 6, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[160] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 5, 7, 7], [3, 5, 5, 5, 5, 7, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[161] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 5, 5, 7, 7], [3, 5, 5, 5, 5, 7, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[162] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 5, 5, 5, 7, 7], [3, 5, 5, 5, 5, 7, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[163] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 5, 5, 5, 7, 7], [3, 5, 5, 5, 5, 7, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[164] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 5, 5, 7, 7], [3, 4, 5, 5, 5, 7, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[165] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 5, 5, 7, 7], [3, 4, 5, 5, 5, 7, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[166] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 7, 7], [3, 3, 5, 5, 5, 7, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[167] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 5, 5, 7, 7], [3, 4, 4, 5, 5, 7, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[168] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 5, 5, 7, 7], [3, 3, 3, 5, 5, 7, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[169] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 7, 7], [3, 3, 3, 5, 5, 7, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[170] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 7, 7], [3, 4, 5, 5, 5, 7, 7], [4, 4, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[171] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 5, 5, 5, 7, 7], [4, 4, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[172] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 4, 5, 5, 7, 7], [4, 4, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[173] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 3, 5, 5, 7, 7], [4, 4, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[174] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 7, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[175] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[176] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 4, 5, 7, 7], [3, 4, 4, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[177] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 4, 5, 7, 7], [3, 4, 4, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[178] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 7, 7], [3, 4, 4, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[179] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 4, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[180] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 7, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[181] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 7, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 7, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[182] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 6, 6, 6, 6, 7], [3, 6, 7, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[183] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 6, 6, 6, 7], [3, 3, 7, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[184] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 6, 6, 6, 7], [3, 3, 6, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[185] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 6, 6, 6, 7], [3, 3, 3, 7, 7, 7, 7], [4, 6, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[186] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 6, 6, 7], [3, 4, 7, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[187] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 7, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[188] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 6, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[189] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 4, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[190] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 3, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[191] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 6, 6, 7, 7, 7], [4, 4, 6, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[192] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 4, 6, 7, 7, 7], [4, 4, 6, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[193] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 3, 4, 7, 7, 7], [4, 4, 4, 7, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[194] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 6, 6, 7], [3, 4, 6, 6, 7, 7, 7], [4, 4, 6, 6, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[195] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 6, 6, 7, 7, 7], [4, 4, 6, 6, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[196] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 6, 6, 7], [3, 4, 5, 6, 7, 7, 7], [4, 4, 6, 6, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[197] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 6, 6, 7], [3, 4, 4, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[198] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 4, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[199] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 3, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 6, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[200] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 5, 5, 5, 6, 7], [3, 5, 7, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[201] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 7, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[202] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 6, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[203] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 5, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[204] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 3, 7, 7, 7, 7], [4, 5, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[205] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 7, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[206] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 7, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[207] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 6, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[208] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[209] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[210] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 7, 7, 7, 7], [4, 4, 7, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[211] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 6, 6, 7, 7, 7], [4, 4, 6, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[212] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 6, 7, 7, 7], [4, 4, 6, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[213] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 6, 7, 7, 7], [4, 4, 6, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[214] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 5, 7, 7, 7], [4, 4, 5, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[215] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 5, 7, 7, 7], [4, 4, 5, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[216] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 7, 7, 7], [4, 4, 4, 7, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[217] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 6, 6, 7, 7, 7], [4, 4, 6, 6, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[218] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 6, 6, 7, 7, 7], [4, 4, 6, 6, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[219] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 6, 7, 7, 7], [4, 4, 6, 6, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[220] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 5, 7, 7, 7], [4, 4, 5, 6, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[221] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 5, 5, 7, 7, 7], [4, 4, 5, 5, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[222] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 5, 7, 7, 7], [4, 4, 5, 5, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[223] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 4, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[224] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[225] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 7, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 5, 7, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[226] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 6, 6, 6, 7, 7], [4, 5, 6, 7, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[227] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 5, 6, 6, 7, 7], [4, 5, 6, 7, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[228] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 6, 6, 6, 7, 7], [4, 4, 6, 7, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[229] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 6, 6, 7, 7], [4, 4, 6, 7, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[230] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 6, 6, 7, 7], [4, 4, 6, 7, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[231] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 6, 6, 6, 7, 7], [4, 4, 6, 6, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[232] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 6, 6, 7, 7], [4, 4, 6, 6, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[233] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 5, 6, 7, 7], [4, 4, 5, 6, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[234] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 4, 6, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[235] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 7, 7], [4, 5, 5, 7, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[236] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 5, 5, 7, 7], [4, 4, 5, 7, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[237] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 7, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[238] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 5, 5, 7, 7], [4, 4, 5, 6, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[239] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 5, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[240] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 4, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[241] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 6, 6, 6, 7, 7], [4, 4, 6, 6, 6, 7, 7], [5, 5, 6, 6, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[242] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 6, 6, 6, 7, 7], [4, 4, 6, 6, 6, 7, 7], [5, 5, 6, 6, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[243] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 5, 5, 6, 7, 7], [4, 4, 5, 5, 6, 7, 7], [5, 5, 6, 6, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[244] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 5, 6, 7, 7], [4, 4, 5, 5, 6, 7, 7], [5, 5, 6, 6, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[245] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[246] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[247] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 7, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[248] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 5, 5, 5, 6, 7], [3, 5, 6, 6, 6, 7, 7], [4, 5, 6, 6, 6, 7, 7], [5, 5, 6, 6, 6, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[249] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 6, 6, 6, 7, 7], [4, 5, 6, 6, 6, 7, 7], [5, 5, 6, 6, 6, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[250] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 6, 6, 6, 7, 7], [4, 4, 6, 6, 6, 7, 7], [5, 5, 6, 6, 6, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[251] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 6, 6, 6, 7, 7], [4, 4, 6, 6, 6, 7, 7], [5, 5, 6, 6, 6, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[252] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 5, 5, 5, 6, 7], [3, 5, 5, 5, 5, 7, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[253] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 5, 5, 5, 7, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[254] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 7, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[255] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 5, 5, 5, 7, 7], [4, 4, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[256] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 5, 5, 7, 7], [4, 4, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[257] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 5, 5, 7, 7], [4, 4, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[258] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 5, 5, 7, 7], [4, 4, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[259] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[260] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[261] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[262] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 7, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 7, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[263] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 6, 6, 6, 7], [3, 3, 3, 6, 6, 6, 7], [4, 6, 6, 7, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[264] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 6, 6, 6, 7], [3, 3, 3, 6, 6, 6, 7], [4, 6, 6, 7, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[265] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 5, 6, 6, 7], [3, 3, 3, 6, 6, 6, 7], [4, 5, 6, 7, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[266] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 3, 6, 6, 6, 7], [4, 4, 6, 7, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[267] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 6, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 7, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[268] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 7, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[269] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 6, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 6, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[270] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 6, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[271] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 6, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 4, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[272] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 4, 7, 7, 7], [5, 6, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[273] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 3, 6, 6, 6, 7], [4, 5, 6, 7, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[274] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 6, 6, 6, 7], [4, 4, 6, 7, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[275] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 7, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[276] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 6, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[277] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 4, 7, 7, 7], [5, 5, 6, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[278] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 5, 5, 7, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[279] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 5, 5, 7, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[280] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 4, 5, 7, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[281] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 7, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[282] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 7, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[283] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 6, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[284] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 6, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[285] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 5, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[286] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 5, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[287] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[288] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 7, 7, 7], [5, 5, 5, 7, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[289] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 6, 6, 7, 7], [5, 5, 5, 6, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[290] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 6, 6, 7, 7], [5, 5, 5, 6, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[291] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 5, 6, 7, 7], [5, 5, 5, 6, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[292] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 5, 6, 7, 7], [5, 5, 5, 6, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[293] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[294] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 7, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[295] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 5, 5, 6, 6, 7, 7], [5, 5, 5, 6, 6, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[296] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 5, 5, 6, 6, 7, 7], [5, 5, 5, 6, 6, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[297] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 4, 5, 6, 6, 7, 7], [5, 5, 5, 6, 6, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[298] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 6, 6, 7, 7], [5, 5, 5, 6, 6, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[299] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 6, 6, 7, 7], [5, 5, 5, 6, 6, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[300] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[301] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 5, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[302] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 4, 5, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[303] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[304] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 5, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[305] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[306] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 7, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 6, 7, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[307] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 4, 6, 6, 7], [3, 4, 4, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 6, 6, 6, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[308] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 4, 6, 6, 7], [3, 4, 4, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 6, 6, 6, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[309] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 6, 6, 7], [3, 4, 4, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 6, 6, 6, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[310] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 4, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 6, 6, 6, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[311] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 6, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 6, 6, 6, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[312] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 6, 6, 6, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[313] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 4, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 5, 6, 6, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[314] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 5, 6, 6, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[315] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 5, 6, 6, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[316] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 5, 5, 6, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[317] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 5, 5, 6, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[318] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[319] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[320] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[321] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[322] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[323] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 7, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[324] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 6, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[325] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 6, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[326] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 6, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[327] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 6, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[328] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 6, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[329] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 6, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[330] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[331] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[332] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[333] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[334] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[335] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 7, 7], [6, 6, 6, 6, 7, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[336] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 5, 6, 7], [3, 5, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[337] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 5, 5, 6, 7], [3, 5, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[338] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 5, 5, 5, 6, 7], [3, 5, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[339] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 5, 5, 5, 6, 7], [3, 5, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[340] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 5, 5, 6, 7], [3, 4, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[341] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 5, 5, 6, 7], [3, 4, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[342] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[343] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 5, 5, 6, 7], [3, 4, 4, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[344] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[345] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[346] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 5, 5, 5, 6, 7], [4, 4, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[347] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 5, 5, 6, 7], [4, 4, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[348] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 5, 5, 6, 7], [4, 4, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[349] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 4, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[350] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[351] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[352] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[353] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[354] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[355] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[356] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[357] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 7, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[358] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 6, 6, 6, 6, 6, 7], [3, 6, 6, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[359] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 6, 6, 6, 6, 7], [3, 6, 6, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[360] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 6, 6, 6, 6, 7], [3, 6, 6, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[361] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 6, 6, 6, 6, 7], [3, 6, 6, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[362] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 6, 6, 6, 6, 7], [3, 6, 6, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[363] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 6, 6, 6, 7], [3, 5, 6, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[364] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 6, 6, 6, 7], [3, 5, 6, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[365] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 5, 6, 6, 6, 7], [3, 5, 6, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[366] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 6, 6, 6, 7], [3, 4, 6, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[367] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 6, 6, 6, 7], [3, 4, 6, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[368] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 6, 6, 6, 7], [3, 3, 6, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[369] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 6, 6, 6, 7], [3, 5, 5, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[370] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 6, 6, 6, 7], [3, 5, 5, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[371] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 6, 6, 6, 7], [3, 4, 5, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[372] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 6, 6, 6, 7], [3, 4, 4, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[373] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 6, 6, 6, 7], [3, 3, 3, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[374] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 6, 6, 6, 7], [3, 3, 3, 6, 6, 6, 7], [4, 6, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[375] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 6, 6, 7], [3, 5, 6, 6, 6, 6, 7], [4, 5, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[376] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 5, 6, 6, 7], [3, 5, 6, 6, 6, 6, 7], [4, 5, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[377] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 5, 5, 6, 6, 7], [3, 5, 6, 6, 6, 6, 7], [4, 5, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[378] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 6, 6, 7], [3, 5, 5, 6, 6, 6, 7], [4, 5, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[379] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 5, 6, 6, 7], [3, 5, 5, 6, 6, 6, 7], [4, 5, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[380] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 5, 6, 6, 7], [3, 4, 5, 6, 6, 6, 7], [4, 5, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[381] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 5, 6, 6, 7], [3, 3, 3, 6, 6, 6, 7], [4, 5, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[382] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 6, 6, 7], [3, 4, 6, 6, 6, 6, 7], [4, 4, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[383] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 6, 6, 6, 6, 7], [4, 4, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[384] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 6, 6, 7], [3, 4, 5, 6, 6, 6, 7], [4, 4, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[385] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 4, 6, 6, 6, 7], [4, 4, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[386] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 3, 6, 6, 6, 7], [4, 4, 6, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[387] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 6, 6, 7], [3, 5, 5, 5, 6, 6, 7], [4, 5, 5, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[388] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 5, 6, 6, 7], [3, 4, 4, 5, 6, 6, 7], [4, 5, 5, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[389] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 6, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[390] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 6, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[391] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 6, 6, 7], [3, 5, 5, 5, 6, 6, 7], [4, 5, 5, 5, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[392] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 4, 6, 6, 7], [3, 4, 4, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[393] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 4, 6, 6, 7], [3, 4, 4, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[394] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 6, 6, 7], [3, 4, 4, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[395] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 4, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[396] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 6, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[397] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 6, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 6, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[398] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 5, 5, 5, 6, 7], [3, 5, 6, 6, 6, 6, 7], [4, 5, 6, 6, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[399] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 6, 6, 6, 6, 7], [4, 5, 6, 6, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[400] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 5, 6, 6, 6, 7], [4, 5, 6, 6, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[401] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 3, 6, 6, 6, 7], [4, 5, 6, 6, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[402] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 6, 6, 6, 6, 7], [4, 4, 6, 6, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[403] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 6, 6, 6, 6, 7], [4, 4, 6, 6, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[404] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 6, 6, 6, 7], [4, 4, 6, 6, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[405] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 6, 6, 6, 7], [4, 4, 6, 6, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[406] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 6, 6, 6, 7], [4, 4, 6, 6, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[407] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 5, 6, 6, 7], [4, 4, 5, 6, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[408] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 5, 6, 6, 7], [4, 4, 5, 6, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[409] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 6, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[410] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 5, 5, 6, 6, 7], [4, 4, 5, 5, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[411] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 5, 6, 6, 7], [4, 4, 5, 5, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[412] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 4, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[413] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[414] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 6, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 5, 6, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[415] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 5, 5, 6, 6, 6, 7], [5, 5, 5, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[416] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 5, 5, 6, 6, 6, 7], [5, 5, 5, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[417] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 4, 5, 6, 6, 6, 7], [5, 5, 5, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[418] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 6, 6, 6, 7], [5, 5, 5, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[419] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 6, 6, 6, 7], [5, 5, 5, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[420] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 5, 6, 6, 7], [5, 5, 5, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[421] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 5, 6, 6, 7], [5, 5, 5, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[422] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 5, 5, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[423] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 6, 6, 7], [5, 5, 5, 6, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[424] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[425] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[426] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[427] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[428] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[429] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 6, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[430] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 5, 5, 5, 5, 6, 7], [3, 5, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[431] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 5, 5, 5, 6, 7], [3, 5, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[432] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 5, 5, 5, 6, 7], [3, 5, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[433] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 5, 5, 5, 6, 7], [3, 5, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[434] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 5, 5, 6, 7], [3, 4, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[435] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 5, 5, 6, 7], [3, 4, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[436] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 5, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[437] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 5, 5, 6, 7], [3, 4, 4, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[438] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[439] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 5, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 5, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[440] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 5, 5, 5, 6, 7], [4, 4, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[441] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 5, 5, 5, 6, 7], [4, 4, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[442] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 5, 5, 6, 7], [4, 4, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[443] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 5, 5, 6, 7], [4, 4, 5, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[444] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[445] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 5, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[446] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 4, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[447] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[448] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 4, 4, 5, 6, 7], [3, 4, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[449] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 4, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[450] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 3, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);
M[451] := matrix ([[1, 2, 3, 4, 5, 6, 7], [2, 2, 3, 4, 5, 6, 7], [3, 3, 3, 4, 5, 6, 7], [4, 4, 4, 4, 5, 6, 7], [5, 5, 5, 5, 5, 6, 7], [6, 6, 6, 6, 6, 6, 7], [7, 7, 7, 7, 7, 7, 7]]);