10          20        30        40        50        60     
CAAUUCAGCUUAAUUUU--|   AUC   CAC      UU          U   AAAAUGCGUUAA 
                   AUCC   GCU   UGAGUA  CUAUCAGGAG CGA            \
                   UAGG   CGA   AUUCAU  GGUAGUUCUC GCU            G
UAAUUUCUAAACGUCUUUU^   AAA   AUA      UU          U   UUGCAAUCAAUU 
 .       120       110       100        90        80        70