(;GM[1]FF[4]SZ[19]
GN[White to move]
PC[https://senseis.xmp.net/?GokyoSeimyoVolume3Problem28/Solution]AP[GoWiki:2009]
DT[2023-02-15]
C[Diagram from https://senseis.xmp.net/?GokyoSeimyoVolume3Problem28/Solution

White to move]
PL[W]

AB[bp][cp][dp][aq][bq][eq][fq][hq][iq][dr][gr]
AW[bo][co][do][ap][ep][fp][gp][cq][dq][gq]
CR[gr]

;W[er]C[W1]MN[1]
;B[fr]C[B2]MN[2]
;W[cr]C[W3]MN[3]

;CR[gr]
)
