10          20        30        40        50        60  
UUUGAACUCUGCUCUAC--|  A  A   U       C    UU      U   GGUCAUUUA 
                   CCG UA GCC GUGGGAG GAGA  AAGGCU GCU         \
                   GGC AU UGG UAUCCUC CUCU  UUCUGA UGA         U
UGAGCCUGAGCAACUUUGU^  A  A   U       U    UU      C   AGCUCACAU 
   120       110       100        90        80        70