10          20        30        40         50        60
CCACUCUCCUACUGUCU--       AU  CUC        C  -|         GUAUUGA 
                   CCUCCAA  GC   CCUUGUAC AG AUGCUCUAUU       G
                   GGGGGUU  UG   GGAACAUG UC UACGAGAUAA       U
AAAUUCCACAUCACAACAU       AU  AAU        U  G^         ACUGUCG 
 120       110       100        90        80        70