(;GM[1]FF[4]SZ[19]
GN[Black wins (11 at ''a'')]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem10/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem10/Attempts

Black wins (11 at ''a'')]
PL[B]

AB[gb][cc][ec][fc][gc][hc][cd][dd]
AW[db][eb][fb][dc][bd][ed][fd][ce][de][cg]
LB[fa:a]

;B[bb]C[B1]MN[1]
;W[bc]C[W2]MN[2]
;B[cb]C[B3]MN[3]
;W[ab]C[W4]MN[4]
;B[ba]C[B5]MN[5]
;W[ac]C[W6]MN[6]
;B[be]C[B7]MN[7]
;W[bf]C[W8]MN[8]
;B[da]C[B9]MN[9]
;W[ae]C[W10]MN[10]

;LB[fa:a]
)
