1 shell color A1
2 shell color A2
3 shell color A3
4 shell color A4
5 shell color A5
6 shell color A6
7 shell color A7
8 shell color A8
9 shell color A9
10 shell color B1
11 shell color B2
12 shell color B3
13 shell color B4
14 shell color B5
15 shell color B6
16 shell color B7
17 shell color B8
18 shell color B9
19 shell color C1
20 shell color C2
21 shell color C3
of 21
shell color A7
