 20 17 6
0 0 0 0 0 1 1 0 1 1 0 1 0 0 0 0 0 1 0 0
 7 14 19
 2 9 15
 4 10 11
 5 6 16
 4 17 18
 5 6 13
 1 6 15
 5 6 14
 3 16 18
 7 17 20
 2 8 12
 7 15 17
 8 10 15
 1 8 10
 3 5 10
 4 12 15
 3 7 15
