(;GM[1]FF[4]SZ[19]
GN[Black to live]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem20]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem20

Black to live]
PL[B]

AB[bq][cq][dq][eq][er]
AW[co][bp][dp][ep][fq][hq][br][fr]


;
)
