10         20         30        40        50        60  
AAAUGGUGGUCGACUGU-   C-|    AUU              AAUC       AUUGUUA 
                  GGC  CUAAA   UCAGUUUUCGCAAU    AUUUCAC       \
                  CCG  GAUUU   AGUCAAAAGUGUUA    UAGAGUG       U
AUGAGACGCUACAGAUAA   CC^    AUU              C---       AUUAAUA 
120       110       100        90        80           70