10         20         30        40        50          
GUUGUCCCCUUCGGCCC-    -|        C         UG  U        UUCGAA 
                  AGUU CCGGACACU GCAGGUUUU  CU CGGUGAUA      \
                  UCAA GGCCUGUGA CGUUUAAAA  GG GCCACUAU      G
UUGUUGUCUGUUUACAGG    U^        A         GU  -        UGCCGA 
.       110       100        90        80         70