    4,  4,  4,  4,  4,  4,  4,  1,  2,  3,  4,  5
    3,  3,  3,  3,  3,  3,  3,  1,  2,  3,  4,  5
    2,  2,  2,  2,  2,  2,  2,  1,  2,  3,  4,  5
    1,  1,  1,  1,  1,  1,  1,  1,  2,  3,  4,  5
    1,  2,  3,  4,  5,  6,  1,  2,  3,  4,  5,  6
    1,  2,  3,  4,  5,  6,  1,  2,  3,  4,  5,  6
    1,  2,  3,  4,  5,  6,  1,  2,  3,  4,  5,  6
    1,  2,  3,  4,  5,  6,  1,  2,  3,  4,  0,  0