>
ATGC
>trailingblank1
AAATTTGGGCCC
TTTGGGCCCAAA
GGGCCCAAA
>trailingblank2 with last dna line the same length
AAATTTGGGCCCAAATTTGGGCCC
TTTGGGCCCAAATTTGGGCCCAAA
GGGCCCAAATTTGGGCCCAAATTT
>trailingblank3 with cr-lf style line endings
ACGT
A
> foo
TGCATG
CA
> bar description
TTTTAAAA