10          20        30        40        50        60
ACCAGUCGAAGUUUCAUUU--|    C                  UGC      AAUUAUG 
                     GUUAU AAGUCUAAAAGGUUCAGA   UAGGAC       U
                     CAGUA UUCAGGUUUUCCAAGUCU   AUCUUG       U
GAUAUCAGCGUCUAUUUUGAC^    U                  UCU      CGAACGG 
120       110       100        90        80        70