 18 15 7
0 0 1 0 0 1 1 0 1 1 0 0 1 0 0 0 0 1
 4 6 12
 5 8 13
 6 8 16
 7 11 16
 5 13 17
 9 15 16
 9 11 12
 2 8 9
 3 8 12
 2 15 18
 4 13 15
 4 8 18
 4 5 10
 4 13 14
 1 13 16
