test 1 failed
expected:
10
3 5 0
1 7 1
2 6 0
4 6 0
1 5 0
2 7 0
3 7 0
3 4 0
2 5 0
6 7 0
got:
10
1 7 1
3 5 0
2 6 0
4 6 0
1 5 0
2 7 0
3 7 0
3 4 0
2 5 0
6 7 0