10          20        30        40        50        60
AAAUGACCUAAAGUUGU--|     A    AA       GUAU          AUGGAUAU 
                   GUGUGU GUGG  UGGCAGU    UGUUAGCUGG        C
                   UACACG CAUC  ACCGUCG    ACAGUCGACC        C
CAGUGGACUACUAGUUUUA^     G    CG       ACUU          ACGGUAAA 
120       110       100        90        80        70