(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem39/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem39/Solution

Solution]
PL[B]

AB[pl][ql][rl][om][in][fo][ho][ko][ep][hp][lp][np][cq][nq][pq][qq][dr][or]
AW[qm][rm][pn][ip][jp][pp][qp][fq][gq][hq][kq][oq][fr][hr][pr][qr]
CR[in]

;B[jr]C[B1]MN[1]
;W[lr]C[W2]MN[2]
;B[mr]C[B3]MN[3]
;W[rq]C[W4]MN[4]
;B[kr]C[B5]MN[5]
;W[lq]C[W6]MN[6]
;B[ls]C[B7]MN[7]

;CR[in]
)
