10          20        30        40        50        60  
GCAACUGCCACCGGUUU-  -|   UU  U  U         CCC           GUGAGGC 
                  GU UAGU  GU GC GUAAACAUC   GACUGGAAGCU       \
                  CA AUCG  CA CG CGUUUGUGG   CUGACUUUCGA       U
UUCGCUCCCUUCUAAACA  C^   GC  U  U         U--           UUCCACG 
 120       110       100        90          80        70