(;GM[1]FF[4]SZ[19]
GN[Fourth line extension]
PC[http://senseis.xmp.net/?DoubleWingFormationsBasedOnSmallHighEnclosure]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?DoubleWingFormationsBasedOnSmallHighEnclosure

Fourth line extension]
PL[B]

AB[ic][cd][ed][dj]
CR[dj]


;CR[dj]
)
