(;GM[1]FF[4]SZ[19]
GN[Ko]
PC[https://senseis.xmp.net/?GokyoShumyoSection1Problem98/Solution]AP[GoWiki:2009]
DT[2023-01-31]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection1Problem98/Solution

Ko]
PL[W]

AB[cl][cm][bn][dn][en][fn][bo][go][ho][jo][cp][dp][bq][cq][eq][jq][kq][oq][er][fr]
AW[bm][dm][cn][co][do][eo][bp][ep][fp][dq][gq][hq][dr][ir][ds]

;W[bs]C[W11]MN[11]
;B[cr]C[B12]MN[12]
;W[cs]C[W13]MN[13]
;B[aq]C[B14]MN[14]
;W[gr]C[W15]MN[15]
;B[br]C[B16]MN[16]
;W[fq]C[W17]MN[17]
;B[as]C[B18]MN[18]

;
)
