2
1
1
2
1
1
2
2
6
15
15
4
1
3
2
5
1
3
2
5
9
1
3
1
6
1
3
1
3
2
1
10
2
3
11
1
1
6
1
1
2
1
9
5
1
11
11
1
2
2
9
2
2
10
5
1
2
2
1
2
11
11
11
3
2
2
11
15
Well