• Start from RmUmUvLmRvUvUmLv
• Position it upside down with respect to the figure, in order to have the two front horizontal tiles of backslash type
• Rotate the right upper flap 90 degrees to the right. This frees a new horizontal flap
• Rotate down the new flap tile against one of the lower vertical flaps (call it f)
• Rotate flap f 90 degrees against an horizontal tile
• Lift a newly formed flap vertically into the final shape