/usr/share/doc/t-coffee-examples/sample_aln7.aln is in t-coffee-examples 11.00.8cbe486-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | CLUSTAL FORMAT for T-COFFEE Version_4.62 [http://www.tcoffee.org], CPU=0.04 sec, SCORE=0, Nseq=4, Len=28
A CTCCGTGTCTAGGAGT-TTACGTGGAGT
B CTGAGA----AGCCGCCTGAGGTCG---
D CTTCGT----AGTCGT-TTAAGACA---
C -TTAAGGTCC---AGATTGCGGAGC---
* .. .* * . *:
|