(;GM[1]FF[4]SZ[19]
GN[Solution.]
PC[http://senseis.xmp.net/?BeginnerExercise97/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise97/Solution

Solution.]
PL[B]

AB[ba][da][bb][cb][db][fb][hb][cc][gc][cd][fd][ce][ee][df][ef][ff]
AW[ea][ab][eb][bc][dc][ec][ad][bd][dd][be][de][cf][cg][ci]

;W[ac]C[W4]MN[4]
;B[bf]C[B5]MN[5]
;W[bg]C[W6]MN[6]
;B[ed]C[B7]MN[7]

;
)
