10          20        30        40        50        60
AGAACCUUGUUUGGUAUG--|  CU           GC          A     GUUGGAC 
                    GCU  GGGGCUCAACU  UCUCCCAAUU AGUCA       U
                    UGG  UCCUGAGUUGG  AGAGGGUUAA UCAGU       U
CAGGUCAACUGUUUGUCCAG^  UC           GA          A     UUUAGUU 
120       110       100        90        80        70