(;GM[1]FF[4]SZ[19]
GN[Reference: After W15 above]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem265/Solution]AP[GoWiki:2009]
DT[2023-02-05]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem265/Solution

Reference: After W15 above]
PL[W]

AB[na][gb][ib][jb][pb][gc][ic][mc][oc][qc][gd][id][kd][ld][nd][od][ge][hf][if][kf][lf][nf]
AW[ia][ka][ma][hb][lb][nb][rb][hc][jc][kc][lc][nc][hd][jd][md]
CR[na]
LB[oa:a]

;W[ob]C[W1]MN[1]

;CR[na]
LB[oa:a]
)
