LOCUS       n1                         4 bp    dna     linear   UNK 
DEFINITION  d1
ACCESSION   n1
KEYWORDS    .
FEATURES             Location/Qualifiers
ORIGIN      
        1 aaaa
//
LOCUS       n2                         4 bp    dna     linear   UNK 
DEFINITION  d2
ACCESSION   n2
KEYWORDS    .
FEATURES             Location/Qualifiers
ORIGIN      
        1 tttt
//