(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem226/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem226/Solution

]
PL[B]

AB[lb][pb][lc][pc][ld][pd][le][pe][kf][pf][kg][og][lh][mh][nh][oh]
AW[mb][ob][mc][oc][md][od][me][oe][lf][of][mg][ng]
LB[ma:x][oa:y]

;B[na]C[B1]MN[1]
;W[nd]C[W2]MN[2]
;B[nb]C[B3]MN[3]

;LB[ma:x][oa:y]
)
