1wyckoffs:
2- "a"
3- "a"
4- "a"
5- "a"
6- "a"
7- "a"
8- "a"
9- "a"
10- "b"
11- "b"
12- "b"
13- "b"
14- "b"
15- "b"
16- "b"
17- "b"
18- "b"
19- "b"
20- "b"
21- "b"
22- "b"
23- "b"
24- "b"
25- "b"
26- "b"
27- "b"
28- "b"
29- "b"
30- "b"
31- "b"
32- "b"
33- "b"
34- "b"
35- "b"
36- "b"
37- "b"
38- "b"
39- "b"
40- "b"
41- "b"
42- "b"
43- "b"
44- "b"
45- "b"
46- "b"
47- "b"
48- "b"
49- "b"
50- "b"
51- "b"
52- "b"
53- "b"
54- "b"
55- "b"
56- "b"
57- "b"
58