(;GM[1]FF[4]SZ[19]
GN[Alternative]
PC[http://senseis.xmp.net/?BeginnerExercise163/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise163/Solution

Alternative]
PL[W]

AB[ab][bb][cb][db][dc][ec][cd][fd][ce][ee][cf]
AW[da][eb][fb][bc][cc][fc][gc][bd][ed][gd][be][ge][bf][ff][cg][dg][eg]

;B[df]C[B4]MN[4]
;W[fe]C[W5]MN[5]
;B[dd]C[B6]MN[6]
;W[ef]C[W7]MN[7]

;
)
