2 
1 
2 1
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
2 1
2 1
2 1
2 1
2 1
2 1
1 0
1 0
6 5
6 5
2 1
2 1
3 2
3 2
6 5
6 5
3 2
3 2
7 6
7 6
