(;GM[1]FF[4]SZ[19]
GN[White kills]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem256/Solution]AP[GoWiki:2009]
DT[2023-02-10]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem256/Solution

White kills]
PL[W]

AB[ak][bk][ck][bn][bo][co][bp][eq][ar][cr][er][ds][es]
AW[bl][bm][an][cn][dn][en][cp][dp][ep][gp][dq][dr][gr]

;W[bq]C[W1]MN[1]
;B[cq]C[B2]MN[2]
;W[bs]C[W3]MN[3]
;B[cs]C[B4]MN[4]
;W[am]C[W5]MN[5]
;B[br]C[B6]MN[6]
;W[ap]C[W7]MN[7]

;
)
