wyckoffs: - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d" - "d"