(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[https://senseis.xmp.net/?HitachiNumber840]AP[GoWiki:2009]
DT[2021-12-03]
C[Diagram from https://senseis.xmp.net/?HitachiNumber840

Black to play]
PL[B]

AB[db][eb][fb][gb][hb][ib][jb][cc][jc][kc][cd][ld][ce][le][cf][ef][ff][gf][hf][if][jf][cg]
AW[da][ia][ja][bb][cb][kb][lb][bc][dc][ec][fc][gc][hc][ic][lc][mc][bd][dd][jd][kd][be][de]


;
)
