10        20         30          40        50        60
GCAAUUAAUCUUGAAUCG  -          G-        -|        AAUGGUGUUUU 
                  CC UCUGUCGGAG  CAUUAAAG UGGUUGUGA           A
                  GG GGAUAGUUUC  GUAGUUUC ACCGACACU           C
GGUAGAACACUACUUACC  U          GA        G^        AUACAGUUGAA 
 120       110       100        90        80        70