(;GM[1]FF[4]SZ[19]
GN[Black to live.]
PC[http://senseis.xmp.net/?BeginnerExercise203/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise203/Solution

Black to live.]
PL[B]

AB[ca][ea][cb][eb][cd][ed][ce][ee][cf][df]
AW[ba][da][fa][bb][fb][bc][fc][bd][fd][be][fe][bf][ef][ff][cg][dg]

;B[dd]C[B1]MN[1]

;
)
