(;GM[1]FF[4]SZ[19]
GN[Ko for life]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem137/Solution]AP[GoWiki:2009]
DT[2023-01-27]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem137/Solution

Ko for life]
PL[W]

AB[bj][bl][cl][dl][dm][fm][gn][hn][cp][dp][ep][gp][hp][bq][eq][iq][fr][gr][hr][ir]
AW[al][bm][cm][dn][bo][co][do][eo][fo][bp][fp][ip][jp][fq][gq][hq][jq][jr]

;W[cq]C[W1]MN[1]
;B[cr]C[B2]MN[2]
;W[br]C[W3]MN[3]
;B[dq]C[B4]MN[4]
;W[aq]C[W5]MN[5]
;B[dr]C[B6]MN[6]

;
)
