(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem284/Solution]AP[GoWiki:2009]
DT[2014-06-06]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem284/Solution

Solution]
PL[B]

AB[od][sd][ne][pe][qe][re][se][nf][ng][og][ph][pi][ok][sk][sl][om][pn][qo][ro]
AW[rb][sc][pd][qd][rd][oe][of][pf][pg][qg][ql][rl][sm][rn]

;B[rg]C[B1]MN[1]
;W[qh]C[W2]MN[2]
;B[rh]C[B3]MN[3]
;W[qi]C[W4]MN[4]
;B[qj]C[B5]MN[5]
;W[ri]C[W6]MN[6]
;B[rj]C[B7]MN[7]
;W[si]C[W8]MN[8]
;B[sf]C[B9]MN[9]
;W[rk]C[W10]MN[10]

;
)
