10        20         30         40        50        60     
GUUCUGGGCGAUAUUAAUCA-         UC-|  U          U       UAGAUUUAAGA 
                     AAGAUAAAA   UCG GAAAUUCAGU UGAUGUG           \
                     UUCUGUUUU   AGC UUUUAAGUCG AUUAUAC           U
UCGCCUUGCCUACUUAUCUAA         UUU^  U          U       UGUCUAUUCUA 
 .       120       110       100        90        80        70