#nexus
[This file provided by Paul Lewis, from the NCL test suite. ]
begin taxa;
dimensions ntax=8;
taxlabels taxon_1 taxon_2 taxon_3 taxon_4 taxon_5 taxon_6 taxon_7 taxon_8;
end;
[!
************************************************
* Non-interleaved, upper-triangular, diagonals *
************************************************
]
begin distances;
format triangle=upper;
matrix
taxon_1 0 1 2 3 4 5 6 7
taxon_2 0 8 9 10 11 12 13
taxon_3 0 14 15 16 17 18
taxon_4 0 19 20 21 22
taxon_5 0 23 24 25
taxon_6 0 26 27
taxon_7 0 28
taxon_8 0;
end;