10          20        30        40          50        60
ACAGUGAUUUUUUUCCU--    UUU      UU         U--| A    U  UUUAUAA 
                   GGGA   GGGAGC  AUCAGAAUC   CC GGGG AC       U
                   UCCU   CCUUCG  UAGUCUUAG   GG CCCC UG       U
ACUAAGAGUCUCGUCCUCC    UUU      UU         UGU^ A    C  AAAAACU 
  120       110       100        90        80        70