0 0 0 0
1 0 0 1
2 0 0 2
3 0 0 3
4 0 0 4
5 0 0 3
6 0 0 2
7 0 0 1
8 0 0 0
1 2 0 5
7 2 0 5
0 3 0 6
2 3 0 6
4 3 0 6
6 3 0 6
8 3 0 6