10        20          30        40        50        60  
UAAAAGAUGAAAAAAAUGUA--|     GG    C       G           UUAAGUUUA 
                      AUAUAG  UGUC CAAAAGU UUAGUGCAGUU         \
                      UAUGUC  ACAG GUUUUCA AAUCACGUCAA         U
GUCGUAAAACUACAUUAUAUAA^     UA    A       G           AUCCGGAAU 
   120       110       100        90        80        70