(;GM[1]FF[4]SZ[19]
GN[Solution: Ko]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem23/Solution]AP[GoWiki:2009]
DT[2023-02-07]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem23/Solution

Solution: Ko]
PL[W]

AB[qa][ob][pb][qc][rc]
AW[nb][nc][oc][pc][qd][rd][rf]

;W[sb]C[W1]MN[1]
;B[rb]C[B2]MN[2]
;W[sc]C[W3]MN[3]
;B[oa]C[B4]MN[4]
;W[ra]C[W5]MN[5]
;B[sa]C[B6]MN[6]

;
)
