(;GM[1]FF[4]SZ[19]
GN[Ko]
PC[https://senseis.xmp.net/?GokyoShumyoSection3Problem85/Solution]AP[GoWiki:2009]
DT[2023-01-03]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection3Problem85/Solution

Ko]
PL[W]

AB[bb][db][bc][cd][dd][ed][fd][gd][id][he][dg]
AW[hb][ec][fc][gc][hc][ic][bd][hd][be][ge][cf][df][ef][gf]
CR[hb]

;W[ac]C[W1]MN[1]
;B[ab]C[B2]MN[2]
;W[dc]C[W3]MN[3]
;B[cc]C[B4]MN[4]
;W[da]C[W5]MN[5]
;B[eb]C[B6]MN[6]
;W[ba]C[W7]MN[7]
;B[ca]C[B8]MN[8]

;CR[hb]
)
