(;GM[1]FF[4]SZ[19]
GN[Black to play (iii)]
PC[https://senseis.xmp.net/?IgoHatsuyoRonProblem119/Solution]AP[GoWiki:2009]
DT[2023-02-03]
C[Diagram from https://senseis.xmp.net/?IgoHatsuyoRonProblem119/Solution

Black to play (iii)]
PL[B]

AB[ha][ja][cb][eb][ib][dc][fc][ic][nc][cd][ed][gd][id][jd][ge][he][je][ke]
AW[fa][ka][ma][db][fb][gb][hb][kb][mb][hc][kc][mc][hd][kd][md][ie][le][if][jf][kf][mf]

;B[ea]C[B1]MN[1]
;W[jb]C[W2]MN[2]
;B[gc]C[B3]MN[3]
;W[ia]C[W4]MN[4]
;B[ga]C[B5]MN[5]

;
)
