mRNA 5' ACGCGAAAGUCAUCUGCGACA 3' xx||||||||||||||||||| miRNA 3' CCCGCUUUCAGUAGACGCUGU 5'
mRNA 5' ACGCGAAAGCCAUCUGCGACA 3' xx|||||||x||||||||||| miRNA 3' CCCGCUUUCAGUAGACGCUGU 5'