(;GM[1]FF[4]SZ[19]
GN[Seeming ko]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem251/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem251/Solution

Seeming ko]
PL[B]

AB[an][bn][cn][dn][do][go][ho][jo][ap][dp][ep][fp][bq][cq][dq][iq][jq][lq][ar][er][fr][kr][ds][es][js]
AW[ck][bl][dl][em][gm][bo][eo][fo][gp][eq][fq][gq][hq][br][cr][dr][gr][hr][ir][bs][is]

;B[gs]C[B15]MN[15]
;W[hs]C[W16]MN[16]

;
)
