10          20        30        40        50        60
CUCUCAACCCACCCAGU--| UG   C   CCC    G    C         CACGGCAUU 
                   CC  CCC CGC   AGCA CACA UGUGGUUUG         G
                   GG  GGG GCG   UUGU GUGU ACACCAAAC         U
UCCGGAGUCGCCUCGGAGG^ GU   A   AGA    G    C         CUGCACCGG 
120       110       100        90        80        70