10        20             30        40        50        60
NNNNNNNNNNNNNNNNNNNNNN    -----| GG                      CCUGCCU 
                      GGGC     CA  GGCUGCAACACAGGACAUGGGU       C
                      UCCG     GU  CCGACGUUGUGUUCUGUGCUCG       U
CUGUCUGACUGUCCCUCUG---    UCGAG^ GA                      CCCCUCC 
120       110          100        90        80        70