• Start from L8 of [Nourse]
• Open it into RRUvRRUmUvUm
• Reclose into a 3x2 rectangle placed with the lower two squares corresponding to two stacks of two tiles with the tiles connected upwards on the bottom of the corersponding stack
• Turn the flap on top of the West stack 180 degrees to the East
• Turn the flap on the bottom of the stack with three tiles 180 degrees to the North
• Open in 3D into the cube shape