>Xtr-Let-7-P1b_loop
GAGGAUAACACCAAAGGAGAUAA
>Xtr-Let-7-P1c_loop
UAGAAUGACACCCUGGGAGUUAA
>Xtr-Let-7-P2a1_loop
AUUGGGCCGCACCCACCAAUGGGAGAGAA
>Xtr-Let-7-P2a2_loop
GUGGGUUGCACCCUGACGUUUGGAUAA
>Xtr-Let-7-P2a3_loop
UUGGGGUCACACCCGAUCUGGGAGAUAA
>Xtr-Let-7-P2b2_loop
UCAGGGCAGUGAUUUUUGCCCCAAUCAGGAGAUAA
>Xtr-Let-7-P2b3_loop
GUGGGGGUUUUUAUUUCCCCAAAUUAGGAGAUAA
>Xtr-Let-7-P2c2_loop
GGUCGGGUUGUGACACUGCCCGCUGUGGAGAUAA
>Xtr-Let-7-P2c3_loop
UAAGGGUCUGUGACACCACCCUCUGUUGGAGAUAA
>Xtr-Let-7-P2c4_loop
AGGGGGCAGUGGUGUUUGCCCAUGGAGAUAA