(;GM[1]FF[4]SZ[19]
GN[White to move]
PC[https://senseis.xmp.net/?GokyoSeimyoVolume3Problem8/Solution]AP[GoWiki:2009]
DT[2023-02-14]
C[Diagram from https://senseis.xmp.net/?GokyoSeimyoVolume3Problem8/Solution

White to move]
PL[W]

AB[ep][fp][cq][fq][gq][hq][iq][cr][er][hr][jr][ds][js][ks]
AW[bo][co][eo][fo][dp][gp][hp][ip][jp][dq][eq][jq][lq][ar][dr][kr][ls]

;W[fs]C[W1]MN[1]
;B[es]C[B2]MN[2]
;W[hs]C[W3]MN[3]
;B[gs]C[B4]MN[4]
;W[gr]C[W5]MN[5]
;B[fr]C[B6]MN[6]
;W[ir]C[W7]MN[7]

;
)
