n = 9;
p = array2d(1..9, 0..9, [
0, -1000, -1, -1000, -7, -1000, -1000, -1000, -1000, -1000, 0, -1, -1000, 5, -1000, 7, -1000, -1000, -1000, -1000, 0, -1000, 5, -1000, -1000, -1000, -7, -1000, -1000, -1000, 0, -7, -1000, -1000, -1000, 0, -1000, -6, -1000, -1000, 0, -1000, 7, -1000, 0, -1000, -4, -1000, -5, -1000, 0, -1000, -1000, -7, -1000, -4, -1000, -1000, -1000, 5, 0, -1000, -1000, -1000, -6, -1000, -1000, -1000, 8, -1000, 0, -1000, -1000, -1000, -1000, -5, -1000, 8, -1000, 1, 0, -1000, -1000, -1000, -1000, -1000, 5, -1000, 1, -1000 ]);