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

White to move]
PL[W]

AB[ak][bl][bm][an][bn][ao][bo][bp][bq][cr][dr][as][bs][cs]
AW[aj][cj][bk][cl][cm][cn][co][cp][cq][dq][er][ds][es]
LB[al:b][br:a]

;W[aq]C[W13]MN[13]

;LB[al:b][br:a]
)
