4
1
3
1
1
2
1
1
1
1
4
1
1
3
1
2
1
1
1
2
2
1
1
2
1
1
2
1
3
2
23
4
13
28
22
1
4
1
3
1
1
2
1
1
1
1
4
1
1
3
1
2
1
1
1
2
2
1
1
2
1
1
2
1
3
2
23
4
13
28
22
1