(;GM[1]FF[4]SZ[19]
GN[Black to live]
PC[http://senseis.xmp.net/?GokyoShumyoSection2Problem29/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection2Problem29/Solution

Black to live]
PL[W]

AB[cc][ec][cd][dd][be]
AW[db][fc][hc][bd][fd][ce][ee][cf][ch]

;W[bc]C[W1]MN[1]
;B[bb]C[B2]MN[2]
;W[bf]C[W3]MN[3]
;B[ac]C[B4]MN[4]
;W[ae]C[W5]MN[5]
;B[eb]C[B6]MN[6]
;W[ca]C[W7]MN[7]

;
)
