10          20        30        40        50        
AAACGGUUGAGUUCACUCU--|  C  CA              C      A  AUUUUU 
                     GGG UG  UCCACAGGCACAGC GGUUUG GC      A
                     UCC AC  GGGUGUCCGUGUUG CCAAAC CG      C
CUUCUGAGGUCCUCGUCUGUU^  A  AC              A      -  UUAAGU 
     110       100        90        80        70         60