# In each duplex, line 1 is target running from 5' to 3', and line 2 is miRNA running from 3' to 5'
# Target and miRNA in the duplex must be of the same length
# Comment lines are not allowed
>target:miRNA
UUC-AUACAAAU-UAUUGGCCUCA
AUGUUAUA-AUGUAUGAU-GGAGU