10        20          30        40        50        60
AUUUGUGAAAGUGUUAGCGU--|  UC   U           UUUC  GU     UGUCAU 
                      UGU  GCU UAGCUGGUUGA    GG  CAAAU      U
                      ACG  UGA GUCGACCAACU    CC  GUUUA      A
CAUCUAUCCUUUCGUGUCGUCU^  GU   U           UCC-  UG     CUAUCA 
 .       110       100        90        80         70