To see the pretty pattern you have to install the
Java Plug-in
!
Order
2
6 Orthogonal Double Lines (Order 2)
Maneuver
Walter Randelshofer 2007
NR2 WD2 NR2 WD2
ND2 WF2 ND2 WF2
NF2 WR2 NF2 WR2
(12l)
