check 1 1 0
1
check 1 3 6
2
check 1 3 2
2
check 1 0 3
1
check 1 8 4
2
check 1 3 0
2
check 1 1 5
1
check 1 8 1
3
check 1 3 5
2
check 1 4 6
2