(;GM[1]FF[4]SZ[19]
GN[Modified problem]
PC[http://senseis.xmp.net/?BeginnerExercise247/Comment]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise247/Comment

Modified problem]
PL[W]

AB[da][db][eb][ec][bd][ed][ae][ee][bf][cf][df][ef]
AW[ca][cb][bc][cc][dc][dd][be][ce][de]
CR[da]


;CR[da]
)
