10          20        30        40        50        60   
AUUCGACCACAUUUAGU--|    C       AA           U     UA  CUAUCAAUC 
                   UCGAC GAAAGGU  AUAUCAGCUGG AAUUC  GG         \
                   AGCUG CUUUUCA  UAUAGUCGACU UUAGG  CC         C
ACCGGUUUUUUCCCAAAGG^    C       CC           -     GC  UACGUGCUA 
    120       110       100        90         80        70