(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem186/Solution]AP[GoWiki:2009]
DT[2023-02-10]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem186/Solution

Black to play]
PL[B]

AB[pa][qa][ib][mb][qb][ic][lc][mc][qc][id][qd][ie][je][ke][le][pe][mf][of][pf]
AW[na][oa][kb][ob][pb][nc][pc][jd][kd][ld][md][ne][oe]

;B[kc]C[B1]MN[1]
;W[jc]C[W2]MN[2]
;B[jb]C[B3]MN[3]
;W[la]C[W4]MN[4]
;B[od]C[B5]MN[5]
;W[pd]C[W6]MN[6]
;B[nd]C[B7]MN[7]
;W[oc]C[W8]MN[8]

;
)
