(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem110/Solution]AP[GoWiki:2009]
DT[2023-02-05]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem110/Solution

Black to play]
PL[B]

AB[ib][ic][jc][kc][ld][md][pd][qd][rd][sd][ke][me][ne][oe][pf]
AW[gb][jb][kb][qb][fc][lc][mc][oc][rc][gd][od][he][je][jf][kf][lf][nf][qf][mg][og][pg][qg]
LB[ob:a]

;B[nc]C[B1]MN[1]
;W[nb]C[W2]MN[2]
;B[mb]C[B3]MN[3]
;W[nd]C[W4]MN[4]
;B[lb]C[B5]MN[5]
;W[pb]C[W6]MN[6]
;B[ma]C[B9]MN[9]
;W[ka]C[W10]MN[10]

;LB[ob:a]
)
