>Xtr-Mir-221-P1a_pri
UGUUUAAAAAAAGUUACCACUGGAGUUGUUCGCUCAGUAAUCAGUGUAGAUCCUGUAUAUCUGUCAGCAGCUACAUCUGGCUACUGGGUCUCUAACUCCAUUGCCUCUGUUCAGGGAUGAUC
>Xtr-Mir-221-P2a_pri
AAAAAGAGGACUACCCAGACUUUGGCGUGCACCUGGCAUACAAUGUAGAAAACUGUGUUUGCAAAGCAACAGCUACAUUGUCUGCUGGGUUUCAUGCUGAAUGGAGAUACUCGUCCAUACAUA