1wyckoffs:
2- "b"
3- "b"
4- "b"
5- "b"
6- "j"
7- "j"
8- "j"
9- "j"
10- "j"
11- "j"
12- "j"
13- "j"
14- "j"
15- "j"
16- "j"
17- "j"
18