3 
2 
3 2
2 1
2 1
2 1
2 1
3 2
3 2
3 2
3 2
2 1
2 1
2 1
2 1
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
2 1
2 1
2 1
2 1
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
