10          20        30        40        50        60  
GAAACCACAACCGGUUU--|     UU  C  U         CCC           GUGAGGC 
                   UGUAGU  GU GC GUAAACAUC   GACUGGAAGCU       \
                   ACAUCG  CA CG CGUUUGUGG   CUGACUUUCGA       U
ACGCUCCCCCUCUUCGCAG^     GC  U  U         U--           GUUUACG 
 120       110       100        90          80        70