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

White is insidious]
PL[B]

AB[ea][ab][db][cc][dc][ec]
AW[eb][fb][gb][fc][bd][cd][dd][fd][ee]
LB[fa:a][ac:b]

;B[ba]C[B1]MN[1]
;W[bc]C[W2]MN[2]
;B[bb]C[B3]MN[3]
;W[da]C[W4]MN[4]

;LB[fa:a][ac:b]
)
