wyckoffs:
- "f"
- "f"
- "f"
- "f"
- "f"
- "f"
- "f"
- "f"
- "f"
- "f"
- "f"
- "f"
- "f"
- "f"
- "f"
- "f"
- "g"
- "g"
- "g"
- "g"
- "g"
- "g"
- "g"
- "g"
- "g"
- "g"
- "g"
- "g"
- "g"
- "g"
- "g"
- "g"
- "d"
- "d"
- "d"
- "d"
- "d"
- "d"
- "d"
- "d"
- "d"
- "d"
- "d"
- "d"
- "d"
- "d"
- "d"
- "d"