(;GM[1]FF[4]SZ[19]
GN[(6) continuation 4]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem13/Attempts]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem13/Attempts

(6) continuation 4]
PL[W]

AB[sa][nb][rb][jc][kc][mc][nc][sc][rd][ke][ne][oe][qe][re][lf][pf][qf][ng]
AW[pb][qb][oc][qc][rc][ld][md][nd][od][pd][qd][pe]
LB[pc:e]

;W[qa]C[W1]MN[1]
;B[sd]C[B2]MN[2]
;W[ob]C[W3]MN[3]
;B[oa]C[B4]MN[4]

;LB[pc:e]
)
