Mirror configuration of
RRmUmDvLDmUvRv
[
up to this 3D shape
]
Start from
L-7
of [Nourse]
Turn it upside-down by rotating 180 degrees about the North-South axis
Turn left 180 degrees the array of three east tiles (on top of their stack)
Open in 3D into the final shape
of [Nourse]
