10         20        30         40        50        60  
CUGUUGUCACAAGCACU-            CA-|      U      AU       UAAAUGC 
                  GCCGAUUUCUGU   GAUAUGU UGAUAU  UUGGUGG       A
                  UGGUUGGAGACA   CUGUACA ACUAUA  AACCACC       U
GUCUGACUACCGCUGUUG            ACA^      U      --       UACAGUU 
  120       110       100        90        80          70