To see the pretty pattern you have to install the
Java Plug-in
!
Order
2
6 Orthogonal Double Lines (Order 2)
Maneuver
Walter Randelshofer 2008
F B (ND- NF2 (NR2 NL2 · NF2 · NU ND · WR2 · NU- ND- · NF2 MR2) NF2 ND) F- B-
(18l)
