1
9
2
7
3
6
4
5
4
5
4
5
7
3
7
3
9
2
9
2
9
2
9
2
9
2
9
2
9
2
9
2
9
2
9
2
9
2
9
2
9
2
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1
22
1