Hanayama Cast Hexagon Level 4

800A puzzle made up of a collection of hexagon-shaped pieces. It is made up of an inside with three pieces and an outside frame. One slides them around inside the frame and rotates them to try to get them out of the frame. At a glance, the pieces appear to have the same shape but the exterior and interior are different, ending up with three pieces whose shapes are different. Created by Mine Uyematsu of Japan.

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