10         20         30        40        50        60
AGCAGUUCUCCUCAAAUAA-   -|    CUCAA         CU     U     UCGGG 
                    UGG CUGCA     CAUUCAUUG  GUCGG GGGUU     U
                    ACU GGCGU     GUAAGUAAC  CGGUC CCCGA     U
CGGAGAUAGAACGACGACAA   A^    CAAAC         --     U     CUGAC 
.       110       100        90        80          70