32 7
0 0
0 1
0 2
0 3
0 4
0 5
0 6
0 7
1 7
2 7
3 7
4 7
5 7
6 7
7 7
7 6
7 5
7 4
7 3
7 2
7 1
7 0
6 0
5 0
4 0
3 0
2 0
1 0
3 3
3 4
4 3
4 4