(;GM[1]FF[4]SZ[19]
GN[Double-wing formation]
PC[http://senseis.xmp.net/?DoubleLowWing]AP[GoWiki:2009]
DT[2010-06-07]
C[Diagram from http://senseis.xmp.net/?DoubleLowWing

Double-wing formation]
PL[W]

AB[jc][dd][cj]


;
)
