10          20         30        40        50        60
ACUCUCCUCCUUCCUCU--   U       -|  A             A       UUACGU 
                   CUC GUGUCCU UCC GUGGUUUUACCCU UGGUAGG      C
                   GGG CGUAGGG AGG CACCAAGAUGGGA ACCAUCU      A
GACGAGACCGCGUCUCUCG   C       C^  -             C       UGUCGU 
120       110       100        90         80        70