steps
contest pack
3
7
1  1 4 3 6
2  0 4 0 6
3  4 4 6 6
4  0 1 0 3
5  3 3 3 3
6  1 0 6 3
7  1 4 3 6
7 7
    0    1    2    3    4    5    6
0  1R4  0-0  0-0  0-0  1-0  1-0  1C4
1  1-0  1W0  1P0  1W0  4-0  4-0  4-0
2  1-0  1-0  1-0  1-0  4-0  4E0  4-0
3  1-0  1-0  1-0  5C6  4-0  4-0  4D5
4  1-0  1-0  1-0  1-0  1W0  1R2  4C7
5  1-0  1D1  1-0  1-0  1W0  1-0  1-0
6  1-0  1-0  1C3  1-0  1-0  1-0  1-0