mRNA 5' CCAAAAAGCUUUUUUUCCCCACA 3' ||||||x||oo||o||||||||| miRNA 3' GGUUUUACGGGAAGAAGGGGUGU 5'
mRNA 5' CCAAAAAGCGCUUCAUCCCCACA 3' ||||||x||x||||x|||||||| miRNA 3' GGUUUUACGGGAAGAAGGGGUGU 5'