10          20        30        40        50        60    
GAAGCCGGCAGAGUUCU--|    CU   U  AG             UCA     ACGAGCAGCG 
                   GGUAU  UGC GC  CUGGUGUUGUGAA   GGCCG          C
                   CCAUA  ACG UG  GACCACAGCACUU   UCGGC          A
CCGAGCGGACCUCUCUUAC^    CU   U  G-             UA-     CCAUUCUCCU 
      120       110       100         90         80        70