10         20         30        40        50        60
AGAACCACAGGAACUUAU-    CCC-|       UU               U  GUGACU 
                   GGGA    CUUCUACU  AACAUGGAGGUACUU CU      A
                   UCCU    GAGGAUGG  UUGUACCUUCGUGAA GA      A
CUUAAGCCACUUUCUCUUG    CAGU^       UU               U  AAAAAA 
120       110       100        90        80        70