10         20         30        40        50       
CAAGAGUAAACCCACAC-   -|            G        A  CA     GCGC 
                  ACC AGAGCUAUAGUGU CAGACUGU CA  CUACA    U
                  UGG UCUCGAUAUCGCA GUCUGACA GU  GAUGU    A
GGGCGAACAUAACUCCAC   U^            G        A  UC     GCGC 
    110       100        90        80        70        60