50
1 0 0
1 1 0
1 0 29
1 3 0
1 0 8
1 5 0
1 1 88
1 2 0
2 8
4
3 5
1 0 63
1 0 52
1 2 19
1 3 7
2 3
2 1
4
3 0
4
3 6
1 0 19
2 1
1 0 1
2 1
1 0 33
1 0 71
1 0 18
4
2 3
2 2
4
3 0
3 0
3 7
1 0 5
1 1 15
1 2 45
3 0
3 7
4
1 1 9
2 1
4
3 0
2 6
3 6
4
3 3
4