(;GM[1]FF[4]SZ[19]
GN[White to move]
PC[https://senseis.xmp.net/?GokyoSeimyoVolume3Problem40/Solution]AP[GoWiki:2009]
DT[2023-02-16]
C[Diagram from https://senseis.xmp.net/?GokyoSeimyoVolume3Problem40/Solution

White to move]
PL[W]

AB[dp][ep][bq][cq][eq][fq][gq][cr][hr][ir]
AW[cn][do][eo][bp][cp][fp][gp][dq][hq][iq][jq][dr][jr]
CR[hr][ir]
LB[er:a]

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

;CR[hr][ir]
LB[er:a]
)
