10          20        30        40        50        60  
GAGGAGAGAACCUCACG--|           C    C     C    C    U  UGGCCGCC 
                   CCUCGUCUGCGU ACGC GAGCC GACG GCAA GC        \
                   GGGGCGGACGCA UGCG CUCGG UUGC UGUU CG        G
GGGCUCUCUCCUUCUACGG^           U    -     C    U    U  CGCGUGUC 
  120       110       100        90         80        70