(;GM[1]FF[4]SZ[19]
GN[White lives by ko]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem76/Attempts]AP[GoWiki:2009]
DT[2018-08-22]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem76/Attempts

White lives by ko]
PL[W]

AB[cg][ci][ei][fi][cj][dk][gk][dl][dm][gm][dn][gn][bo][co][go][ap][gp][bq][cq][dq][eq][fq]
AW[dj][ej][ek][el][em][cn][en][fn][do][fo][bp][cp][dp][ep][fp]

;W[ck]C[W8]MN[8]
;B[cl]C[B9]MN[9]
;W[bk]C[W10]MN[10]
;B[bl]C[B11]MN[11]
;W[an]C[W12]MN[12]
;B[bn]C[B13]MN[13]
;W[bm]C[W14]MN[14]
;B[cm]C[B15]MN[15]
;W[al]C[W16]MN[16]

;
)
