(;GM[1]FF[4]SZ[19]
GN[Variation]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem90/Solution]AP[GoWiki:2009]
DT[2023-02-08]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem90/Solution

Variation]
PL[B]

AB[qb][nc][qc][nd][pd][pe][pf][pg][qh][rh][ri]
AW[oc][pc][qe][qf][qg][rg][ph][pi][pk][rk][ql]

;B[sf]C[B1]MN[1]
;W[sg]C[W2]MN[2]
;B[re]C[B3]MN[3]
;W[rd]C[W4]MN[4]
;B[qd]C[B5]MN[5]
;W[sj]C[W10]MN[10]

;
)
