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Symmetries:
Symmetries of a square prism (D4h, order 16)
Four configurations for this shape
(click on the image for building instructions):
1:
[no flaps, self-twin, code: RUmRUvRUmRUv]
2:
[four flaps, self-twin, code: RUmUUvRUvUUm]
3:
[four flaps, twin: 4, code: RUmUvUmRUmUvUm]
4:
[four flaps, twin: 3, code: RUvUmUvRUvUmUv]