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― Configuration code: RRmUmLDmLvUmDm
- Start from L-1 of [Nourse]
- turn right 180 degrees the upper three tiles (second floor) on the western stacks
- turn down (valley fold) 180 degrees the two north tiles
- open in 3D in the final shape with the following hinging
- North-west stack: west side
- North-east stack: north side
- South-east stack: south side between first and second floor, west side between second and third floor
- Valley fold 90 degrees between south and north tiles (both west and east)