(;GM[1]FF[4]SZ[9]
GN[Wing opening]
PC[http://senseis.xmp.net/?TheArtOf9x9Go/chie717]AP[GoWiki:2009]
DT[2016-10-14]
C[Diagram from http://senseis.xmp.net/?TheArtOf9x9Go/chie717

Wing opening]
PL[B]

AB[bc][ec][cd][be][ce][ee][fe][cg]
AW[bd][dd][de][bf][cf][df][ff][eg]
CR[dd][de][bf][cf][df]
SQ[ff][eg]

;B[dc]C[B17]MN[17]
;W[ge]C[W18]MN[18]

;CR[dd][de][bf][cf][df]
SQ[ff][eg]
)
