제출 #176365

2 2

1 
1 2 
2 1 
2 

1 2
2 1

3 2

1 
1 2 
1 3 
2 1 
2 
2 3 
3 1 
3 2 
3 

1 2
1 3
2 1
2 3
3 1
3 2

3 3

1 
1 2 2 
1 3 3 
2 1 1 
2 
2 3 3 
3 1 1 
3 2 2 
3 

1 2 3
1 3 2
2 1 3
2 3 1
3 1 2
3 2 1