0   0   0
1   0   0
2   0   0
3   0   0
4   0   0
5   0   0
6   0   0
7   0   0
8   0   0
9   0   0
10   0  0
0   1   0
0   2   0
0   3   0
0   4   0
0   5   0
0   6   0
0   7   0
0   8   0
0   9   0
0   10  0
10  10  0
10  10  2
10  10  4
10  10  6
10  10  8
10  10  10