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

Half success]
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]
LB[fq:a]

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

;LB[fq:a]
)
