10          20        30         40        50        60 
ACUUCAGACUGCGAUUU--             -|      C   CU      G UGUUCAUAA 
                   GUCUUUCGCGAAU CUUUUUG GGU  GGGCUU C         G
                   CGGAAGGCGUUUA GAAAAAC CCA  CCCGAA G         U
UCGUAGUAAGCCACUUACG             C^      C   UU      G GUCGAUCUA 
   120       110       100        90        80        70