2
1
1
1
2
1
1
1
2
1
1
1
2
2
2
1
1
1
2
1
1
1
1
3
2
1
2
1
1
2
1
1
2
2
1
1
1
1
2
2
2
2
6
2
2
1
3
1
1
2