10          20        30        40        50          
UCUCCCCCCCCAAUAUA--|  A       CGA    C     UA  AU       CUCAA 
                   GUC AGUGUUG   AUGG ACUGG  GA  UCACGGG     \
                   CAG UCGCAAU   UACC UGAUC  CU  AGUGCUC     U
ACCGAGGGGGGCAGCCGCA^  G       ACA    A     UC  --       AGAUA 
       110       100        90        80          70