10         20         30        40        50        60  
UUCAAGCGUCAAUCCAACC-       -|   C           AU  A       UAGAAAA 
                    AAUAUAA CUAU AGUGUGAAUGU  UC AGUCAAU       \
                    UUAUAUU GGUA UCGCACUUACG  AG UCAGUUA       U
AACCUUCUUUUGCUACUAAA       A^   U           --  A       UUUAAAU 
 120       110       100        90        80          70