(;GM[1]FF[4]SZ[19]
GN[All groups alive? [help|#2\]]
PC[http://senseis.xmp.net/?BorderlessGoban]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BorderlessGoban

All groups alive? [help|#2\]]
PL[B]

AB[hf][if][nf][fg][jg][ng][gh][ih][jh][nh][fi][gi][li][mi][lj][nj][mk][nk][hl][il][ml][gm][im][jm][nm][gn][hn][jn][kn][ln]
AW[ff][gf][kf][mf][gg][hg][kg][mg][hh][kh][lh][mh][hi][ji][gj][hj][ij][fk][gk][hk][ik][kk][fl][jl][ll][fm][lm][mm][fn][mn]

;B[lf]C[B1]MN[1]

;
)
