(;GM[1]FF[4]SZ[19]
GN[Solution: Ko]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem66/Solution]AP[GoWiki:2009]
DT[2023-02-07]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem66/Solution

Solution: Ko]
PL[W]

AB[lc][nc][pc][jd][ld][od][oe][pe][lf][mf][qf][rf][mh][oh][qh]
AW[qb][mc][qc][qd][me][ne][qe][re][nf][of][pf]

;W[mb]C[W1]MN[1]
;B[md]C[B2]MN[2]
;W[nd]C[W3]MN[3]
;B[nb]C[B4]MN[4]
;W[ma]C[W5]MN[5]
;B[oc]C[B6]MN[6]
;W[na]C[W7]MN[7]
;B[oa]C[B8]MN[8]
;W[pa]C[W9]MN[9]
;B[pb]C[B10]MN[10]

;
)
