10 20 30 40 50 60
CACUUUUGGCAAGCGGG----| AAAAGU U AG CU CUAAGAACUUCC
UGGU GGAG AAGUUUGG UGC GGG A
ACCA UUUC UUCAAACU ACG CUC U
ACCCGAAGACGGACGGUGCGA^ AGAC-- U A- UU AAUUCAAAGUCU
120 110 100 90 80 70