>ref1
CGAGCTCGGTACCCGGGGATCCTCTAGAGTCGACCTGCAGGCATGCAAGCTTGAGT
>ref2
ATTCTATAGTGTCACCTAAATAGCTTGGCGTAATCATGGTCATAGCTGTTTCCTGTGTGA
>ref3_unused
GTATTTCAAGCGCAAGTACGGCACCGGCCCGGACGGGCTGGCCGTGCAGCCCAAGCGCGGCTGGGACGCC
