(;GM[1]FF[4]SZ[19]
GN[Conventional double-wing formation]
PC[http://senseis.xmp.net/?DoubleWingFormation]AP[GoWiki:2009]
DT[2012-12-09]
C[Diagram from http://senseis.xmp.net/?DoubleWingFormation

Conventional double-wing formation]
PL[B]

AB[ec][cd][jd][cj]
LB[ee:a]


;LB[ee:a]
)
