10        20          30        40        50        60   
UCUACGUUACUGCAGAGAAU--|   U    C  AU      AA           UUUUAUUCG 
                      UUUC AGCU UG  UGUCCA  CGCAAUUCUUG         A
                      AAAG UCGG GC  ACAGGU  GUGUUGAGAAC         A
AAGAUUCGUUCUACAAAGGAAU^   C    U  CU      CA           CUAUAGUAU 
      120       110       100        90        80        70