(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem32/Solution]AP[GoWiki:2009]
DT[2023-02-07]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem32/Solution

Solution]
PL[B]

AB[rk][om][pm][qm][rm][on][no][np][oq][nr][pr][qr][rs]
AW[sm][pn][rn][oo][qo][op][pq][qq][rq][rr]

;B[sn]C[B1]MN[1]
;W[qn]C[W2]MN[2]
;B[pp]C[B3]MN[3]
;W[po]C[W4]MN[4]
;B[qp]C[B5]MN[5]
;W[so]C[W6]MN[6]
;B[rp]C[B7]MN[7]
;W[sr]C[W8]MN[8]
;B[sp]C[B9]MN[9]

;
)
