10         20         30        40        50        60   
CUGGCUUCUUCUGCUCG- UG -|       CU       U             GAGGAUAACA 
                  G  G GCUCCAGG  GAGGUAG AGGUUGUAUAGUU          \
                  C  U CGGGGUCC  UUCUAUC UCCGACAUGUCAA          C
UCUCCGAAACAACAAUAC GU U^       CU       C             UAGAGGAAAC 
     120       110       100        90        80        70