10          20        30        40        50        60
CAUCUCCGGCACUCAUGC--| A   A   C     G     UU  U   U    UGUGUU 
                    CC UUC UCC UGGGU GGGAU  GU GCA UACU      C
                    GG AAG AGG GUCCG CCCUG  CA CGU AUGA      U
UUCUUCUGCUAUUUUUAGGA^ A   A   U     G     UU  -   U    AAUAUA 
 .       110       100        90        80         70