(;GM[1]FF[4]SZ[19]
GN[White to play]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem217/Solution]AP[GoWiki:2009]
DT[2023-02-04]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem217/Solution

White to play]
PL[W]

AB[ch][cj][bl][cl][dm][dn][eo][ep][gp][cq][fq][dr][er][gr]
AW[ek][dl][cm][cn][co][do][bp][dp][eq][cr]

;W[br]C[W1]MN[1]
;B[bq]C[B2]MN[2]
;W[dq]C[W3]MN[3]
;B[bs]C[B4]MN[4]
;W[aq]C[W5]MN[5]
;B[cs]C[B6]MN[6]
;W[cp]C[W7]MN[7]
;B[ao]C[B8]MN[8]
;W[bm]C[W9]MN[9]
;B[am]C[B10]MN[10]

;
)
