(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem280/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem280/Solution

Solution]
PL[W]

AB[lb][ob][pb][lc][mc][qc][rc][nd][of][pg][qg][rg]
AW[mb][nb][oc][pc][pd][qd][rd][pe][qf][rf]

;W[oa]C[W1]MN[1]
;B[qa]C[B2]MN[2]
;W[sb]C[W3]MN[3]
;B[rb]C[B4]MN[4]
;W[sc]C[W5]MN[5]
;B[nc]C[B6]MN[6]
;W[ra]C[W7]MN[7]

;
)
