10        20         30         40        50        60
GUGCAAAAGAUACAAAGCCAA-      AUGC-|       AGU  C       CUAUCAG 
                      UGGUUC     UAAGUACU   GC GCAGGAG       A
                      GCCGAG     AUUCGUGA   CG CGUCCUC       U
CAAGGCUUGACGUCGUGACGCG      GUAAC^       GCU  A       UGCGAAA 
120       110       100        90        80        70