10           20        30        40        50        60
UCUGGAUGUCCUUUUGUC---|  U  U   C         U          A  AGUGAUA 
                     CGC CG CCA UGCCCUUUU AUGUUGUACU CU       A
                     GCG GC GGU ACGGGAAAA UAUAACGUGA GA       C
GAACUUUGUUUAACUAAAUCA^  -  C   U         U          C  AAAAAGA 
120       110       100         90        80        70