10         20         30        40        50          
ACGAGAAUAGUAAUAUAU-      -|  CC               A  A     UCUCUA 
                   GUCUCC UCA  UUUUGAUUGUUGCUC GA AGCCA      \
                   CAGAGG AGU  GAAACUAACAACGAG CU UCGGU      A
UACUAAAACGACAAUUGUU      A^  UA               -  A     GCGAAA 
.       110       100        90        80         70