>seq001 Test DNA sequence for FASTA conversion
ATCGATCGATCGATCGATCGATCGATCGATCGATCGATCG
>seq002 Another test sequence with different nucleotide content
GCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCTAGCT
>seq003 Third sequence for testing output format
TTAACCGGTTAACCGGTTAACCGGTTAACCGGTTAACCG