t 0 2
check 0 2
check!!0
t 0 2
check 0 9
t 0 2
check 0 2
check!!1
t 0 2
check 0 9
t 0 2
check 0 2
check!!1
t 0 9
check 0 9
check!!0
t 0 5
check 0 5
check!!0
t 0 9
check 0 2
t 0 9
check 0 9
check!!1
t 0 5
check 0 5
check!!0
t 0 2
check 0 5
t 0 2
check 0 2
check!!1
t 0 9
check 0 2
t 0 9
check 0 9
check!!1
t 0 2
check 0 2
check!!0
0
1
1
0
0
1
0
1
1
0