43
0 1 | 0 2
0 1 | 2 0
0 1 | 2 1
0 1 | 2 2
0 2 | 2 0
0 2 | 2 1
0 2 | 2 2
0 3 | 2 0
0 3 | 2 1
0 3 | 2 2
0 4 | 2 0
0 4 | 2 1
0 4 | 2 2
0 5 | 2 0
0 5 | 2 1
0 5 | 2 2
0 6 | 2 0
0 6 | 2 1
0 6 | 2 2
0 7 | 2 0
0 7 | 2 1
0 7 | 2 2
0 8 | 2 0
0 8 | 2 1
0 8 | 2 2
0 9 | 2 0
0 9 | 2 1
0 9 | 2 2
0 10 | 2 0
0 10 | 2 1
0 10 | 2 2
0 11 | 2 0
0 11 | 2 1
0 11 | 2 2
0 12 | 2 0
0 12 | 2 1
0 12 | 2 2
0 13 | 2 0
0 13 | 2 1
0 13 | 2 2
0 14 | 2 0
0 14 | 2 1
0 14 | 2 2