(;GM[1]FF[4]SZ[19]
GN[Moves 11 to 20 (10 at 7)]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem182/Solution]AP[GoWiki:2009]
DT[2020-03-01]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem182/Solution

Moves 11 to 20 (10 at 7)]
PL[B]

AB[bk][bl][dl][dn][en][bo][eo][go][ho][ep][fp][hp][dq][fq][hq][lq][br][cr][dr]
AW[an][bn][cn][do][jo][ap][bp][cp][dp][gp][eq][gq][jq][er][fr][gr][hr][fs][gs][hs]

;B[ir]C[B1]MN[1]
;W[iq]C[W2]MN[2]
;B[ds]C[B3]MN[3]
;W[jr]C[W4]MN[4]
;B[bs]C[B5]MN[5]
;W[ar]C[W6]MN[6]
;B[aq]C[B7]MN[7]
;W[bq]C[W8]MN[8]
;B[cm]C[B9]MN[9]
;W[aq]C[W10]MN[10]

;
)
