20 15 15
1 1 7 9
3 1 8 9 14 5
1 1 3 8
0 3 3 7 10
1 0 5
0 0
3 2 1 2 9 8 10
1 0 11
1 0 13
0 0
2 2 2 10 3 14
2 0 13 15
0 0
0 1 15
0 1 5
1 0 10
0 2 10 11
0 0
1 2 1 3 8
3 1 3 6 9 5