10        20             30        40        50          
GCGGGGAAUGAUUACAGUAAAGCA-----| UC       UCCCCU  A        GUGACGC 
                             CC  CACCACC      GC AACGUCCA       \
                             GG  GUGGUGG      CG UUGCAGGU       A
GGGACAGGUGACGACCCCACACAACCACA^ UA       UCU---  A        AAAGGAG 
 .       110       100        90        80           70