1
1
2
2
1
1
1
1
1
1
7
2
1
2
6
4
1
1
2
1
2
1
1
2
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
7
2
1
2
6
4
1
1
2
1
2
1
1
2
1
1
1
1
1
1