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Symmetries: Planar + axial + central symmetries (Dihedral D2, order 4)

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Four configurations for this shape (click on the image for building instructions):
1: [chiral, two flaps, self-twin, code: RUUmLmUvLmUvLv]
2: [two flaps, twin: 3, code: RUmRvUvULmUvLv]
3: [two flaps, twin: 2, code: RUvRmUmULvUmLm]
4: [four flaps, self-twin, code: RmUmUvLmRvUvUmLv]

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