(;GM[1]FF[4]SZ[19]
GN[cont - Ko]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem306/Attempts]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem306/Attempts

cont - Ko]
PL[W]

AB[oa][pa][mb][ob][pb][lc][mc][nc][md]
AW[ia][ma][qa][ib][qb][jc][kc][oc][pc][id][ld][nd][qd][le][ne]

;W[lb]C[W1]MN[1]
;B[kb]C[B2]MN[2]
;W[ka]C[W3]MN[3]

;
)
