(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?KyuExercise56/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise56/Solution

Solution]
PL[W]

AB[gb][hb][ob][fc][hc][ic][jc][oc][fd][ld][nd][od][fe][ge][he][ie][je][ke][le]
AW[jb][nb][gc][kc][lc][mc][nc][gd][hd][id][jd][kd]

;W[lb]C[W1]MN[1]
;B[ka]C[B2]MN[2]
;W[la]C[W3]MN[3]
;B[ja]C[B4]MN[4]
;W[ib]C[W5]MN[5]
;B[ia]C[B6]MN[6]
;W[kb]C[W7]MN[7]

;
)
