10          20        30        40        50        60
CCUUGUCCCCCAUCUCU--|      U    AG  A   C      UC      AUUUACA 
                   GGGGCGU CACC  GA UUC GCUAGU  UGAACU       C
                   CCCCGCG GUGG  CU AAG CGAUCA  ACUUGA       U
ACGGGGUGACGCUACAACC^      C    G-  C   A      UC      AAAAAGU 
 .       110       100        90         80        70