(;GM[1]FF[4]SZ[19]
GN[Solution.]
PC[http://senseis.xmp.net/?KyuExercise54/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise54/Solution

Solution.]
PL[W]

AB[db][eb][fb][jb][kb][gc][hc][ic][kc][kd]
AW[da][ka][cb][lb][bc][dc][ec][fc][lc][cd][gd][hd][id][jd][ld][ke]

;W[ea]C[W1]MN[1]
;B[ga]C[B2]MN[2]
;W[hb]C[W3]MN[3]

;
)
