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Symmetries:
Mirror symmetric
Two configurations for this shape
(click on the image for building instructions):
1: 
[chiral, one flap, twin is nonconstructible, code: RRmDmUmRmLUmDm]
2: 
[chiral, one flap, twin is nonconstructible, code: RRmDmLmUUmRmDm]
