(;GM[1]FF[4]SZ[19]
GN[Black first]
PC[http://senseis.xmp.net/?BeginnerExercise127/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise127/Solution

Black first]
PL[B]

AB[ea][ab][db][cc][dc][ec]
AW[eb][fb][gb][fc][bd][cd][dd][fd][ee]

;B[ba]C[B1]MN[1]
;W[bb]C[W2]MN[2]
;B[bc]C[B3]MN[3]

;
)
