10          20        30        40         50        60
GUGCAAAUGGAAAAAGU--       U    UG         -|   G    C   UUGUCA 
                   GAAAACU CAAC  UCUUCAAAG UGGC GUGA AUG      A
                   UUUUUGG GUUG  AGGAGUUUC ACCG CACU UAC      C
AGUAAUCAGCCAACCGCUC       C    CG         G^   A    A   UUAUAA 
 120       110       100        90        80        70