(;GM[1]FF[4]SZ[19]
GN[Black to live]
PC[http://senseis.xmp.net/?BeginnerExercise237]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise237

Black to live]
PL[B]

AB[bb][cb][db][eb][fb][bc][fc][fd][gd][hd][bf][cg][ch][ci]
AW[ab][gb][ib][ac][cc][dc][ec][gc][ic][bd][id][ce][ie][ef][ff][hf][dh]


;
)
