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