10           20        30         40        50        
UUCAAAUCAACUAAUUAC---|     U     C-         C          GUAGGA 
                     UUUGUU CAAUG  ACUAAAAUA GGUAUAGCGG      A
                     GAACGA GUUAC  UGAUUUUGU CCGUAUCGCC      U
UUAUCUACCUACUUUUAAUUU^     -     CA         C          AACUUA 
       110       100         90        80        70        60