1b
1c
1d
2b
2c
2d
2f
2g
3b
3c
3d
4b
4c
4d
5b
5c
5d
6b
6c
6d
6f
6g
7b
7c
7d
8b
9b
10b
11b
12b
13b
14b
15b
16b
17b
18b
