10          20        30        40        50        60
CAAGAAAUAAAAACAUU--|  C         A        A       U  AGUUACUUU 
                   GGU CUUGCCCUC AGGAGCUC CAGUCUA UG         U
                   UCA GGACGGGAG UCCUCGAG GUUAGAU AC         A
AGUAAAAGUCUUCUUGUAU^  C         G        G       C  CCUUUCAGA 
120       110       100        90        80        70