(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[https://senseis.xmp.net/?IgoHatsuyoRonProblem21]AP[GoWiki:2009]
DT[2023-01-30]
C[Diagram from https://senseis.xmp.net/?IgoHatsuyoRonProblem21

Black to play]
PL[B]

AB[pb][md][nd][od][pd][of]
AW[ic][lc][mc][nc][oc][le][oe][qe][nf][qf][og]


;
)
