mRNA 5' UUUCUCCAAACAUCUCUUCCA 3' |||||||||x||o|||||||| miRNA 3' AAAGAGGUUAGUGGAGAAGGU 5'
mRNA 5' UUGCUCCAAUUAUCUCAUCCA 3' ||x|||||||o|o|||x|||| miRNA 3' AAAGAGGUUAGUGGAGAAGGU 5'