(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?KyuExercise42/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise42/Solution

Solution]
PL[W]

AB[dc][ec][fc][cd][gd][hd][id][ce][de][ge][ie][ff][gf]
AW[db][eb][fb][gb][bc][cc][gc][ic][jc][bd][jd][je][bf][jf][cg][eg][fg][gg][hg][ig]
LB[ee:a]

;W[fd]C[W1]MN[1]
;B[ef]C[B2]MN[2]
;W[ed]C[W3]MN[3]

;LB[ee:a]
)
