10          20        30        40        50        60
AAAUCACGGCCUAUAGCAC--|    A  UGA      C         A  U   UUAAAU 
                     GUGAC UG   CAUCGC ACCAGGUGU CU CAG      A
                     UACUG AU   GUGGCG UGGUUCACA GA GUC      C
UGUAUAGGGACUACAUUACAU^    A  UCC      A         C  -   UAAAAC 
 .       110       100        90        80         70