10         20         30         40         50        60
UCUGGCUUGUCUGCUAA- UG  -                -   -|      UCC  UUUAAC 
                  U  UC ACUUGGUCAGUUUUGC UGG UUUGCAU   GC      U
                  A  AG UGGAUCAGUCAAAACG ACC AAACGUG   CG      G
UUUUGGAACGUCUUGUAA GU  U                U   U^      U--  UUUGUA 
120       110       100        90        80        70