short way
contest pack
5
7
1  7 3 9 5
2  7 3 7 3
3  6 3 6 3
4  7 3 7 4
5  5 0 9 0
6  0 0 4 4
7  5 0 6 4
10 5
    0    1    2    3    4
0  1-0  1-0  1-0  1-0  1-0
1  1-0  2P0  1-0  1-0  1-0
2  1-0  2D4  1-0  1-0  1-0
3  1-0  1-0  1-0  1-0  1-0
4  1-0  1-0  1-0  1-0  1-0
5  1-0  1-0  1-0  1-0  1-0
6  1-0  2-0  0-0  0-0  0-0
7  0-0  3D1  5-0  5D7  5-0
8  0-0  3D2  5-0  4C6  5-0
9  0E0  3R3  5-0  5R5  5-0