(;GM[1]FF[4]SZ[19]
GN[Black kills]
PC[https://senseis.xmp.net/?GokyoSeimyoVolume3Problem90/Solution]AP[GoWiki:2009]
DT[2023-02-17]
C[Diagram from https://senseis.xmp.net/?GokyoSeimyoVolume3Problem90/Solution

Black kills]
PL[B]

AB[bm][cm][dn][en][fo][cq][dq][eq][gq][cr][ds]
AW[bn][cn][do][cp][dp][bq][br][as][bs][cs]

;B[bo]C[B1]MN[1]
;W[ao]C[W2]MN[2]
;B[ap]C[B3]MN[3]
;W[an]C[W4]MN[4]
;B[bp]C[B5]MN[5]
;W[co]C[W6]MN[6]
;B[aq]C[B7]MN[7]
;W[ar]C[W8]MN[8]

;
)
