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
NF2 WD2 NF2 WD2
ND2 WR2 ND2 WR2
NR2 WF2 NR2 WF2
(12l)
Note
Reflected version (corner axis urf-dbl).
