10          20        30        40        50        
CAAAGUGAUAAAAGUAA--|            UUU     U       UG AUAUGUAA 
                   GGUACAAAAUUAU   UGCAA AUGUUCC  A        U
                   CUAUGUUUUGAUA   ACGUU UACGAGG  U        A
UCGGAAAAAAGGUAUAUAA^            CCU     U       GU AUGUGAAU 
      110       100        90        80        70        60