(;GM[1]FF[4]SZ[19]
GN[White to Move - Does the ladder work?]
PC[http://senseis.xmp.net/?LadderExercise6/Solution]AP[GoWiki:2009]
DT[2009-06-01]
C[Diagram from http://senseis.xmp.net/?LadderExercise6/Solution

White to Move - Does the ladder work?]
PL[W]

AB[db][dc][gc][jc][mc][ed][ee][ef][dg][dh][eh][fh][bi][ci][gi][dj][ej][hj][ck][fk][ik][gl][jl][hm][km][om][cn][in][ln][do][fo][go][jo][mo][cp][ep][kp][rp][cq][dq][fq][lq][nq][oq][pq][rq][cr][fr][mr][bs][es][fs]
AW[cb][cc][oc][dd][qd][de][ne][cf][df][cg][eg][qg][ch][di][ei][fi][bj][cj][fj][gj][qj][bk][gk][hk][hl][il][im][jm][rm][jn][kn][qn][sn][ko][lo][ro][fp][gp][lp][mp][qp][gq][jq][mq][qq][br][gr][as]
CR[fi][gi][fj][gj][hj][fk][gk][hk][ik][gl][hl][il][jl][hm][im][jm][km][in][jn][kn][ln][jo][ko][lo][mo][kp][lp][mp][lq][mr]


;CR[fi][gi][fj][gj][hj][fk][gk][hk][ik][gl][hl][il][jl][hm][im][jm][km][in][jn][kn][ln][jo][ko][lo][mo][kp][lp][mp][lq][mr]
)
