0 0 1
0 0 2
0 0 2
0 0 2
0 0 2
0 1 3
0 1 3
0 1 3
0 1 3
0 1 3
0 1 3
0 1 3
0 1 3
0 1 3
0 1 3
0 2 4
0 2 4
0 2 4
0 2 4
0 2 4