(;GM[1]FF[4]SZ[19]
GN[corner]
PC[http://senseis.xmp.net/?ArticleOfTheWeek/Archive2010]AP[GoWiki:2009]
DT[2011-01-06]
C[Diagram from http://senseis.xmp.net/?ArticleOfTheWeek/Archive2010

corner]
PL[B]

AB[ca][bb][cb][bc][ad][bd]
AW[db][cc][ec][cd][ae][be][ce]
CR[ab]


;CR[ab]
)
