>Bfl-Let-7-P3_pri
CAUCGGCUUGACUUCUGUAUGGCCCUGAGGUGAGGUAGUAGGUUGUAUAGUUCAGAAGUACAACAUUGGAGAUGACUGUACAACCCGUUACCUUUUUUCGGGUCAUACCACGCUUCUGGACCUCUUG
>Bfl-Let-7-P4_pri
GCUGGACACCAGACACGGGUGCACCUGAGGUGAGGUAGUAGGUUGUAUAGUUGAGAAGUACAUCAUUGGAGAUAACUGUGCAACCUGCUAGCUCUCCUUGGGGCAUGCCAGUUGCAGCACACCUUCC