(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?BeginnerExercise263/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise263/Solution

Solution]
PL[W]

AB[ba][ab][cb][cc][bd][be][ce]
AW[db][fb][dc][cd][ed][ae][de][bf][cf][df]
CR[cd]
LB[ac:a]

;W[bc]C[W1]MN[1]
;B[dd]C[B2]MN[2]
;W[ad]C[W3]MN[3]

;CR[cd]
LB[ac:a]
)
