(;GM[1]FF[4]SZ[19]
GN[White wins]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem4/Solution]AP[GoWiki:2009]
DT[2010-10-30]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem4/Solution

White wins]
PL[W]

AB[cb][db][eb][fb][cc][cd][be][bf][cg]
AW[bb][gb][bc][dc][fc][gc][bd][dd][ce][df]

;W[ba]C[W1]MN[1]

;
)
