10         20         30        40        50        60
UACAACACAGGAUCAAA- U  -|      GGAA        A     A    ACGUUGCU 
                  G GG CAGACUG    AUCUCUGC GGCAA UGUG        G
                  C CC GUCUGAC    UAGAGAUG CCGUU ACAC        C
UGUCGAGACGACGCGCUU U  A^      GUCG        C     C    ACUAAAGC 
120       110       100        90        80        70