10          20         30        40        50          
UGAUAUGAUGUUUCUCU-  -          -| GG      GAU          GUUAUAA 
                  GU GGUGUUGAUA AG  GACAGG   GGGUGUGGGG       \
                  CA UUACGACUAU UC  CUGUCC   UCCACACUCC       C
CACCGUGACCACCAUAUA  U          A^ AA      AAU          ACGCUGA 
120       110       100        90        80        70