(;GM[1]FF[4]SZ[19]
GN[bla]
PC[http://senseis.xmp.net/?BeginnerExercise229/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise229/Attempts

bla]
PL[B]

AB[cb][cc][fc][bd][cd][gd][ge][gf]
AW[db][dc][hc][dd][hd][be][ce][de][he][dg]
LB[ca:a]

;B[da]C[B1]MN[1]
;W[eb]C[W2]MN[2]
;B[ad]C[B3]MN[3]
;W[bb]C[W4]MN[4]
;B[ab]C[B5]MN[5]
;W[ba]C[W6]MN[6]
;B[bc]C[B7]MN[7]

;LB[ca:a]
)
