(;GM[1]FF[4]SZ[19]
GN[Black to live.]
PC[http://senseis.xmp.net/?BeginnerExercise69]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise69

Black to live.]
PL[B]

AB[ao][bo][co][ap][cp][cq][cr][as]
AW[an][bn][cn][dn][do][bp][dp][dq][dr][cs]


;
)
