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

---

• Start from U-3
• Lift vertically the two top tiles of the two West stacks
• Lower vertically the two lower tiles of the two South stacks
• Lower the flap corresponding to the lower tile of the North-East stack
• The last move frees a flap to be rotated 90 degrees about its new hinge