10         20         30        40        50        60
ACUUAACUUUUCAAAUUUC-       -|   UU               UAGAAUUUGGAU 
                    UCAUAAA ACUU  GUUUUCAAAUAGGUA            U
                    AGUGUUU UGAG  CAAGAGUUUAUCCGU            A
GCUAAAUUUCAUUAAUUCUA       A^   UU               CGUAAAAAAUAG 
120       110       100        90        80        70