10        20          30        40        50        60
AGAUUGGAAAAGAUUUCUUU--|   C        A         C        UUUGUUU 
                      UGGG GGGGGUCA GAGCAAUAA GAAAAAUG       U
                      ACUC CCCCCAGU CUCGUUAUU CUUUUUGC       U
AAUGAGCUGACCGAUAUUGGGU^   U        C         A        CAAAUGC 
120       110       100        90        80        70