(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?LadderExercise3/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?LadderExercise3/Solution

Solution]
PL[B]

AB[lc][mc][oc][dd][kd][nd][pd][je][me][if][lf][hg][kg][gh][jh][fi][ii][ej][hj][dk][gk][cl][el][gl][em][do][dp][op][qp][rp][dq][jq][pq]
AW[nb][ob][pb][nc][qc][ld][md][ke][le][jf][kf][qf][ig][jg][hh][ih][gi][hi][fj][gj][pj][ek][fk][fl][fm][pm][cn][co][po][qo][cp][cq][mq]

;B[fn]C[B31]MN[31]
;W[gm]C[W32]MN[32]
;B[hm]C[B33]MN[33]
;W[gn]C[W34]MN[34]
;B[go]C[B35]MN[35]
;W[hn]C[W36]MN[36]
;B[in]C[B37]MN[37]
;W[ho]C[W38]MN[38]
;B[hp]C[B39]MN[39]
;W[io]C[W40]MN[40]

;
)
