(;GM[1]FF[4]SZ[19]
GN[Ko]
PC[http://senseis.xmp.net/?GokyoSeimyoVolume3Problem58/Solution]AP[GoWiki:2009]
DT[2009-05-13]
C[Diagram from http://senseis.xmp.net/?GokyoSeimyoVolume3Problem58/Solution

Ko]
PL[W]

AB[bl][bm][bn][bo][bp][bq][cr][dr]
AW[aj][cj][bk][al][cl][cm][cn][co][cp][cq][dq][er][es]

;W[br]C[W1]MN[1]
;B[bs]C[B2]MN[2]
;W[ar]C[W3]MN[3]
;B[cs]C[B4]MN[4]
;W[an]C[W5]MN[5]
;B[am]C[B6]MN[6]
;W[aq]C[W7]MN[7]
;B[ak]C[B8]MN[8]

;
)
