t 7 0
check 1 0
t 7 0
check 7 0
check!!1
t 6 8
check 3 6
t 6 8
check 6 6
t 6 8
check 6 8
check!!2
t 2 8
check 3 2
t 2 8
check 3 7
t 2 8
check 2 7
t 2 8
check 2 8
check!!3
t 2 8
check 3 6
t 2 8
check 2 2
t 2 8
check 3 5
t 2 8
check 3 4
t 2 8
check 3 0
t 2 8
check 6 2
t 2 8
check 9 2
t 4 3
check 0 3
t 4 3
check 4 3
check!!1
t 3 5
check 8 4
t 3 5
check 3 4
t 3 5
check 3 5
check!!2
t 1 5
check 3 0
t 1 5
check 3 5
t 1 5
check 1 5
check!!2
t 8 5
check 1 5
t 8 5
check 8 5
check!!1
t 2 9
check 8 1
t 2 9
check 8 7
t 2 9
check 2 7
t 2 9
check 2 9
check!!3
t 2 9
check 8 6
t 2 9
check 8 5
t 2 9
check 5 1
t 2 9
check 8 4
t 2 9
check 7 1
t 2 9
check 9 1
t 0 3
check 3 5
t 0 3
check 0 5
t 0 3
check 0 3
check!!2
t 6 2
check 4 6
t 6 2
check 6 6
t 6 2
check 6 2
check!!2
1
2
3
1
2
2
1
3
2
2