10         20         30        40         50        60
UGCUGAGCACGGACUAU-    A-             AA  AU-|     C    AACCAUU 
                  GCAU  UUGCCGCCUACAG  GC   AGAUUU CACA       C
                  CGUA  AGCGGCGGAUGUC  CG   UCUAAA GUGU       G
UGGUUCACGCUUUUUUGA    CA             AG  CUU^     C    UUGUGGA 
 120       110       100        90        80        70