(;GM[1]FF[4]SZ[19]
GN[Variation]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem66/Solution]AP[GoWiki:2009]
DT[2023-02-07]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem66/Solution

Variation]
PL[W]

AB[nb][lc][nc][pc][jd][ld][md][od][oe][pe][lf][mf][qf][rf][mh][oh][qh]
AW[mb][qb][mc][qc][nd][qd][me][ne][qe][re][nf][of][pf]

;W[ma]C[W1]MN[1]
;B[lb]C[B2]MN[2]
;W[oa]C[W3]MN[3]
;B[na]C[B4]MN[4]
;W[oc]C[W5]MN[5]
;B[ob]C[B6]MN[6]
;W[pd]C[W7]MN[7]

;
)
