10           20        30        40        50         
CUCCCCGGGCUCCCCUG---|  UCUGC    C  G   A         AA  CAGUUGAU 
                    GGC     CUCC GU CCU CUGAGCUGA  CA        U
                    CCG     GAGG CA GGA GACUUGACU  GU        U
CCCCGGUACCCGAGGCUCUC^  CUCU-    A  A   C         CG  CAGACGUG 
.       110       100         90        80        70        60