(;GM[1]FF[4]SZ[19]
GN[Black to live]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem18]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem18

Black to live]
PL[B]

AB[bp][bq][cq][eq][er]
AW[cn][fn][bo][ap][cp][dp][fp][fq][fr]


;
)
