10        20          30        40        50        60  
UGAAAUCAACGAAUCACCUA--|   A           CCCU       U     UUAGGAAA 
                      CCUA CUGGGUUAGGG    GGCUCCA CUCCU        A
                      GGGU GACCCAAUCCC    UCGGGGU GAGGG        C
UCUUUUACGUCGUCACAAUGUC^   C           AGCU       -     GUUUCUUC 
   120       110       100        90        80         70