(;GM[1]FF[4]SZ[19]
GN[solution]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem306/Solution]AP[GoWiki:2009]
DT[2023-02-08]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem306/Solution

solution]
PL[W]

AB[ja][ka][oa][pa][jb][kb][mb][ob][pb][lc][mc][nc][md]
AW[ia][qa][ib][qb][jc][kc][oc][pc][id][ld][nd][qd][le][ne]

;W[ma]C[W1]MN[1]
;B[la]C[B2]MN[2]
;W[lb]C[W3]MN[3]

;
)
