(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem155/Solution]AP[GoWiki:2009]
DT[2023-02-05]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem155/Solution

Solution]
PL[W]

AB[hm][im][jm][fn][gn][kn][fo][ko][cp][dp][ep][jp][kp][cq][hq][iq][kq][cr][ir][kr][cs][es]
AW[hn][in][go][jo][fp][gp][hp][ip][dq][eq][jq][dr][gr][jr][ds]
CR[jq][jr]

;W[hr]C[W1]MN[1]
;B[er]C[B2]MN[2]
;W[fq]C[W3]MN[3]
;B[io]C[B4]MN[4]
;W[hs]C[W5]MN[5]
;B[js]C[B6]MN[6]
;W[fs]C[W7]MN[7]

;CR[jq][jr]
)
