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

Solution]
PL[B]

AB[nb][qb][jc][nc][rc][sc][md][nd][od][qd][rd][le][oe][pe][kf][lf][pf][qf][rf][gg][rg][fh][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][ld][pd][je][ke][me][mf][of][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]

;B[ih]C[B41]MN[41]
;W[hg]C[W42]MN[42]
;B[hf]C[B43]MN[43]
;W[ig]C[W44]MN[44]
;B[jg]C[B45]MN[45]
;W[if]C[W46]MN[46]
;B[ie]C[B47]MN[47]
;W[jf]C[W48]MN[48]
;B[jd]C[B49]MN[49]
;W[kd]C[W50]MN[50]

;
)
