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