10            20        30         40        50         
GUCACGUGCAAAAGUCU----|  UUUUCA      C  GC-    CU          GUACA 
                     GCC      CUGGUC CU   CUCA  CUAGUUACAU     C
                     CGG      GACCAG GA   GAGU  GGUCGAUGUA     U
GCUUGUUUCUCGCACUAAUCC^  UGCG--      A  ACA    C-          ACGUC 
.       110       100          90        80         70        60