2
2
3
3
2
1
2
1
2
1
3
2
2
2
2
1
4
2
2
1
3
2
2
2
1
1
2
2
1
1
1
2
0
1
1
1
2
1
2
2
2
2
1
1
2
1
2
1
2
1
2
1
