(;GM[1]FF[4]SZ[19]
GN[Black to live.]
PC[http://senseis.xmp.net/?BeginnerExercise209/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise209/Attempts

Black to live.]
PL[B]

AB[ab][bb][cb][db][eb][gb][ic]
AW[ea][fb][bc][cc][dc][ec][gc][ce]

;B[ga]C[B1]MN[1]
;W[hb]C[W2]MN[2]
;B[da]C[B3]MN[3]
;W[ba]C[W4]MN[4]
;B[fa]C[B5]MN[5]
;W[fc]C[W6]MN[6]
;B[hc]C[B7]MN[7]

;
)
