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