10         20         30        40        50        60
CCCAGUUCUGCCCCCUA-    -|        C   AC       G    C   GUGACAU 
                  UCAA UCUACGCAU GGU  GGACAGG GCAA AUU       U
                  GGUU AGGUGCGUA CCG  CCUGUUC CGUU UAA       U
CGGCCAUUUGCGACUUAC    G^        U   GC       A    A   UCGAAAG 
120       110       100        90        80        70