check 1 3 7
3
check 1 5 0
check 2 3 0
4
check 1 9 3
2
check 1 4 9
3
check 1 5 5
check 2 5 0
check 3 3 0
check 2 5 8
4
check 1 3 0
2
check 1 2 3
check 2 0 3
check 3 0 8
check 4 4 8
check 5 4 9
check 6 1 9
check 7 1 2
check 7 8 9
check 8 9 9
check 9 9 3
check 10 6 3
check 10 9 7
check 11 2 7
check 12 3 7
check 13 3 0
check 14 5 0
check 15 5 5
check 16 5 8
check 15 5 8
check 11 3 7
check 12 3 0
check 13 5 0
check 14 5 5
check 14 5 8
check 9 9 7
check 10 2 7
check 10 3 7
check 11 3 0
check 12 5 0
check 13 5 5
check 13 5 8
check 7 9 9
check 8 9 3
check 9 6 3
check 8 9 7
check 9 2 7
check 9 3 7
check 10 3 0
check 11 5 0
check 12 5 5
check 12 5 8
check 6 8 9
check 6 9 9
check 7 9 3
check 8 6 3
check 7 9 7
check 8 2 7
check 8 3 7
check 9 3 0
check 10 5 0
check 11 5 5
check 11 5 8
check 5 5 8
check 6 5 0
check 7 3 0
check 7 5 5
check 6 5 5
check 4 5 8
check 5 5 0
check 6 3 0
check 7 3 7
check 5 5 5
check 3 6 3
check 4 9 3
check 5 9 7
check 6 2 7
check 6 3 7
check 5 9 9
check 3 9 3
check 4 9 7
check 5 2 7
check 5 3 7
check 4 9 9
check 5 1 9
check 6 1 2
check 5 8 9
check 2 6 3
check 2 9 3
check 3 9 7
check 4 2 7
check 4 3 7
check 5 3 0
check 3 9 9
check 4 1 9
check 5 1 2
check 4 4 9
check 4 8 9
check 2 2 7
check 3 3 7
check 4 3 0
-1
check 1 5 0
3
check 1 9 9
1
check 1 9 9
2