[previous configuration] [up to this 3D shape] [next configuration] ― Configuration code: RRmDLmDmRvRmUm

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• Start from
• Position it on one of its edges with the two flaps pointing up and with diagonals forming a V if seen from above
• Lower 90 degrees the left flap
• Turn 90 degrees the newly formed flap inside the cube
• Turn 180 degrees the other external flap
• Open in the final shape