(;GM[1]FF[4]SZ[19]
GN[Solution (4)]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem331/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem331/Solution

Solution (4)]
PL[B]

AB[gl][ml][fm][gm][mm][nm][en][hn][in][jn][kn][ln][on][eo][go][mo][oo][ep][gp][jp][mp][op][dq][gq][hq][iq][kq][lq][mq][pq][dr][fr][nr][pr]
AW[jk][jl][hm][lm][fn][gn][mn][nn][fo][ho][io][jo][ko][lo][no][fp][np][eq][fq][nq][oq][er][gr][mr][or][es][os]
LB[jr:b]

;B[hs]C[B29]MN[29]
;W[hr]C[W30]MN[30]
;B[is]C[B31]MN[31]
;W[ir]C[W32]MN[32]
;B[ms]C[B33]MN[33]
;W[ns]C[W34]MN[34]
;B[ls]C[B35]MN[35]
;W[lr]C[W36]MN[36]
;B[ks]C[B37]MN[37]
;W[kr]C[W38]MN[38]

;LB[jr:b]
)
