(;GM[1]FF[4]SZ[19]
GN[Solution.]
PC[http://senseis.xmp.net/?BeginnerExercise215/Solution]AP[GoWiki:2009]
DT[2014-07-28]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise215/Solution

Solution.]
PL[W]

AB[cc][dc][ec][cd][fd][ce][ee][bf][cf][ef][bg][eg][bh][ch]
AW[cb][db][eb][bc][fc][gc][bd][hd][be][fe][ge][fg][fh][bi][ci][di][ei]
LB[dd:b][df:a]

;W[dg]C[W1]MN[1]
;B[dh]C[B2]MN[2]
;W[ed]C[W3]MN[3]

;LB[dd:b][df:a]
)
