(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem237/Solution]AP[GoWiki:2009]
DT[2023-01-27]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem237/Solution

Solution]
PL[W]

AB[am][bm][cm][em][dn][eo][bp][ep][eq][dr]
AW[an][bn][cn][cp][dp][br]

;W[bo]C[W1]MN[1]
;B[ap]C[B2]MN[2]
;W[bq]C[W3]MN[3]
;B[do]C[B4]MN[4]
;W[aq]C[W5]MN[5]
;B[co]C[B6]MN[6]
;W[ao]C[W7]MN[7]

;
)
