(;GM[1]FF[4]SZ[19]
GN[(10 captures 12 stones)]
PC[http://senseis.xmp.net/?GokyoShumyoSection5Problem20/Attempts]AP[GoWiki:2009]
DT[2014-01-29]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection5Problem20/Attempts

(10 captures 12 stones)]
PL[W]

AB[gb][jb][bc][dc][ec][fc][gc][hc][ic][jc][ed][be][ce][de]
AW[ba][da][ea][ga][ja][bb][db][eb][fb][hb][ib][kb][cc][kc][cd][dd][jd][kd][ee][fe][he]

;W[ca]C[W1]MN[1]
;B[bd]C[B2]MN[2]
;W[cb]C[W3]MN[3]
;B[ab]C[B4]MN[4]
;W[ka]C[W5]MN[5]
;B[ac]C[B6]MN[6]
;W[ia]C[W7]MN[7]
;B[aa]C[B8]MN[8]
;W[ha]C[W9]MN[9]

;
)
