10        20          30         40         50        60  
AAAACUUUUAUUUCUGGUU    --      U   -     C  -|       C  UUUGAUACA 
                   GGUU  GGGGAA AAG UGGAG AG UGGAUCUC AC         \
                   UCAA  CCCCUU UUC ACCUC UC ACUUAGAG UG         U
GCCUAGUUUCUUCUCUCGU    CU      C   A     A  A^       -  AAUAUAGAA 
    120       110       100        90        80         70