(;GM[1]FF[4]SZ[19]
GN[Solution (W58 at B55)]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem169/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem169/Solution

Solution (W58 at B55)]
PL[B]

AB[nb][qb][jc][nc][rc][sc][jd][md][nd][od][qd][rd][ie][le][oe][pe][hf][kf][lf][pf][qf][rf][gg][jg][rg][fh][ih][ei][hi][cj][dj][gj][ak][bk][fk][el][dm][em][bn][cn][co][bp][cp][dp][aq][bq][cq][br][bs]
AW[na][qa][mb][ob][rb][sb][kc][mc][oc][pc][qc][kd][ld][pd][je][ke][me][if][jf][mf][of][hg][ig][mg][og][pg][qg][gh][hh][rh][ci][fi][gi][qi][ej][fj][ck][dk][ek][al][bl][cl][dl][am][bm][cm][an][dn][fn][ao][bo][do][ap][ep][fp][dq][fq][cr][er][cs]
CR[qb][sc]

;B[kb]C[B51]MN[51]
;W[lc]C[W52]MN[52]
;B[lb]C[B53]MN[53]
;W[ma]C[W54]MN[54]
;B[oa]C[B55]MN[55]
;W[pa]C[W56]MN[56]
;B[la]C[B57]MN[57]
;W[oa]C[W58]MN[58]
;B[ra]C[B59]MN[59]

;CR[qb][sc]
)
