10                20        30        40        50        60 
CGUAUCUUGUCGACCCG--------|  CA    CCAG      UU         AUGCGUAAAUUGU 
                         UGU  ACUU    GUGAGU  GAAAUUGAA             U
                         ACG  UGGA    UACUUA  CUUUAGCUU             U
GGUGUCCGUUUUCUAGUUGACCAUA^  --    ----      UU         AAAUUUAACAUGG 
  120       110       100              90        80        70