10 20 0 0
5 2 7 3 1 12 17 18 19 10 
1 19
3 7 1 20
4 18 8 14 9
0 11
0 94
1 15
1 12
0 33
0 17
1 13
1 4
2 17 10
1 16
0 6
0 81
0 51
0 65
2 11 6
0 69
0 29