10           20        30        40        50         
UUCUCUCCCCUGGUUCG---|    UCC    U       GG     A        CUUCA 
                    GGUCU   UGGG UUGCGGG  GGCUC CAUCAUGU     \
                    CCAGG   ACUC AACGUCC  CUGAG GUAGUACA     U
UUCUGUACGACAACGACUGU^    UU-    C       A-     C        UACUC 
      110       100         90        80         70        60