(;GM[1]FF[4]SZ[19]
GN[Unconditional life (B10 at BC)]
PC[https://senseis.xmp.net/?IgoHatsuyoRonProblem14/Solution]AP[GoWiki:2009]
DT[2023-01-30]
C[Diagram from https://senseis.xmp.net/?IgoHatsuyoRonProblem14/Solution

Unconditional life (B10 at BC)]
PL[W]

AB[jb][rb][ic][nc][rc][jd][kd][rd][le][ne][pe][mf][pf]
AW[nb][pc][qc][md][nd][od]
CR[nc]

;W[lc]C[W1]MN[1]
;B[mb]C[B2]MN[2]
;W[mc]C[W3]MN[3]
;B[ob]C[B4]MN[4]
;W[na]C[W5]MN[5]
;B[oa]C[B6]MN[6]
;W[oc]C[W7]MN[7]
;B[ma]C[B8]MN[8]
;W[lb]C[W9]MN[9]

;CR[nc]
)
