(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?KyuExercise77/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise77/Solution

Solution]
PL[B]

AB[ca][fa][ab][bb][cb][fb][gb][cc][dc][ec][fd]
AW[ha][db][eb][hb][bc][fc][gc][hc][bd][cd][ee][fe][ge]

;W[ga]C[W2]MN[2]
;B[ea]C[B3]MN[3]
;W[da]C[W4]MN[4]

;
)
