(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem13/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem13/Attempts

]
PL[W]

AB[bc][cc][dc][ec][fc][gc][bd][gd][ge][cf][ef][ff][cg][bh][eh][gh]
AW[bb][cb][db][eb][gb][hb][ic][cd][dd][ed][fd][be][ce][fe][ie][gf][hf][ch][dh][bi][cj]
CR[cf][cg][bh]

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

;CR[cf][cg][bh]
)
