(;GM[1]FF[4]SZ[19]
GN[Black kills]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem291/Solution]AP[GoWiki:2009]
DT[2023-02-10]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem291/Solution

Black kills]
PL[B]

AB[bo][do][eo][go][cp][gp][ip][bq][iq][ar][gr][hr]
AW[dp][fp][cq][dq][gq][hq][br][dr][fr][bs]

;B[cs]C[B1]MN[1]
;W[fs]C[W2]MN[2]
;B[ds]C[B3]MN[3]
;W[es]C[W4]MN[4]
;B[eq]C[B5]MN[5]
;W[ep]C[W6]MN[6]
;B[fq]C[B7]MN[7]
;W[er]C[W8]MN[8]

;
)
