10         20         30        40        50          
AGCAGGAACUCCAAGAA-      GU-|  GA               A  A    GUUGUG 
                  ACGUUC   UCA  UUUUGAUUGUUGCUC GA AGCC      \
                  UGCGGG   AGU  AAAACUAAUGAUGGG CU UCGG      A
CUUCAAACUCUGCUUUGU      AGU^  AA               -  A    UCAGUC 
.       110       100        90        80         70