10        20           30        40        50          
UGAAUAUUCCAUAAAAAAGC   ---|     U      C  UU          AUUCAUGU 
                    GCC   UAGGGU UUGUGA CG  GUUACGGUCA        \
                    CGG   GUUCCA AACACU GC  UAAUGCCAGU        C
UAUGUUAAAGUAAUAAGUU-   UGU^     C      U  CC          AACACAGU 
 .       110        100        90        80        70