10          20        30        40        50        60  
UCAACGCGUCUAUUAUA--|     GC     A  U       UCA        UUGUAAAUU 
                   GCGCUU  CAGUG UA UGUCCUG   CAGCAGUA         \
                   UGCGAG  GUUAC AU ACGGGGC   GUCGUCAU         A
AAAGAAGACCAACGAUUGC^     UU     A  U       CGA        GGUUAACGA 
   120       110       100        90        80        70