(;GM[1]FF[4]SZ[19]
GN[Solution (W24 at BB)]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem169/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem169/Solution

Solution (W24 at BB)]
PL[B]

AB[nb][qb][jc][nc][rc][sc][md][nd][od][qd][rd][le][oe][pe][kf][lf][pf][qf][rf][rg][cl][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][ld][pd][je][ke][me][mf][of][mg][og][pg][qg][rh][ci][qi][ck][al][bl][am][bm][cm][an][dn][fn][ao][bo][do][ap][ep][fp][dq][fq][cr][er][cs]
CR[cl]

;B[bk]C[B21]MN[21]
;W[dl]C[W22]MN[22]
;B[ak]C[B23]MN[23]
;B[cj]C[B25]MN[25]
;W[dk]C[W26]MN[26]
;B[dj]C[B27]MN[27]
;W[ek]C[W28]MN[28]
;B[fk]C[B29]MN[29]
;W[ej]C[W30]MN[30]

;CR[cl]
)
