(;GM[1]FF[4]SZ[19]
GN[Cleaner (B6 @ W1)]
PC[http://senseis.xmp.net/?BeginnerExercise286/Attempts]AP[GoWiki:2009]
DT[2009-05-14]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise286/Attempts

Cleaner (B6 @ W1)]
PL[W]

AB[gb][hb][jb][lb][fc][jd][ge][he][ie]
AW[ia][ib][mb][hc][lc][nc][hd][id][ld][md]

;W[jc]C[W1]MN[1]
;B[kc]C[B2]MN[2]
;W[kd]C[W3]MN[3]
;B[ic]C[B4]MN[4]
;W[je]C[W5]MN[5]
;W[ja]C[W7]MN[7]
;B[kb]C[B8]MN[8]
;W[la]C[W9]MN[9]

;
)
