mRNA 5' CUUUUCAAGAAAGCUGUGCAA 3' |xx|||||||||||||||x|| miRNA 3' GUCAAGUUCUUUCGACACCUU 5'
mRNA 5' UAGAUCGAGAAAGCUGUGAAA 3' o||x||o|||||||||||x|| miRNA 3' GUCAAGUUCUUUCGACACCUU 5'