(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem166/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem166/Solution

]
PL[W]

AB[cn][dn][en][bo][eo][fo][fp][bq][cq][dq][eq][br]
AW[bk][bm][dm][em][fm][bn][go][cp][dp][ep][gp][fq][cr][dr][er][gr]
LB[ao:x][cs:y]

;W[ar]C[W1]MN[1]
;B[bs]C[B2]MN[2]
;W[bp]C[W3]MN[3]
;B[ap]C[B4]MN[4]
;W[aq]C[W5]MN[5]

;LB[ao:x][cs:y]
)
