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― Configuration code: RRUvRmDvRvUmLv
- Start from
- Locate in the cube a chain of three consecutive tiles hinged
about parallel sided, call them A, B, C, A being the top tile of the cube
and C being the bottom tile
- By slightly opening the structure change the folding between A and B from mountain
to valley
- In the process tiles B and C are pushed together
- Rotate 90 degrees the newly formed flap into the final shape
