10        20          30        40        50         
UUGGAUAUUUGGAGAUGUCCC--|   A UG     G     U   A        GUGUA 
                       UUCC G  CAGGU GGGAU AGU GCAAUGCU     \
                       AAGG U  GUCCG CCCUG UCA CGUUAUGG     C
CCUAGGUCCAGUCGAGGUAGAGU^   A GU     G     U   -        AGGUC 
      110       100        90        80         70        60