(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?OD1PJuly29Problem/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OD1PJuly29Problem/Solution

Solution]
PL[B]

AB[ap][bp][cp][dp][ep][fq][gq][hq][hr][ds][gs][hs]
AW[aq][bq][dq][eq][cr][fr][gr]

;W[er]C[W2]MN[2]
;B[fs]C[B3]MN[3]
;W[bs]C[W4]MN[4]
;B[ar]C[B5]MN[5]
;W[es]C[W6]MN[6]
;B[cq]C[B7]MN[7]

;
)
