intro
contest pack
4
4
1  0 0 0 0
2  4 0 4 0
3  0 4 0 4
4  4 4 4 4
5 5
    0    1    2    3    4
0  5E0  1D4  1-0  1D2  5E0
1  1D4  1D4  1-0  1D2  1D2
2  1-0  1-0  2P0  1-0  1-0
3  1D3  1D3  1-0  1D1  1D1
4  5E0  1D3  1-0  1D1  5E0