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Symmetries:
Planar + planar + axial symmetries (Dihedral D2, order 4)
Two configurations for this shape
(click on the image for building instructions):
1: 
[chiral, no flaps, self-twin, code: RURmUvRvUmRmUv]
2: 
[chiral, four flaps, self-twin, code: RURmLRvUmUUv] [MP 30/9/2014]
