(;GM[1]FF[4]SZ[19]
GN[Three weak groups.]
PC[http://senseis.xmp.net/?NonJosekiExercise3/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?NonJosekiExercise3/Solution

Three weak groups.]
PL[B]

AB[dc][fc][dd][ed]
AW[eb][fb][ec][cd]
CR[cd]

;W[fd]C[W4]MN[4]
;B[gc]C[B5]MN[5]

;CR[cd]
)
