What color goes were..

We did my buddys O/R X and installed some mils. (its on 06 gt) the CEL was off for about a week then outa no were he said it came on. We think we put the OXygen Sensors in the wrong spots. Were do the Blue ones go and were does the green go, I think we put them in the wrong spot, LOL... (dont drink and work on pipes LOL) thanks Guys / Gals

-Justin

So Green there is only one and thats on the passenger side
Blue there is two and there on each side ..right ..?? I know we could just check but both of us dont have jacks right now, we eont get them back till next week hence the BONE HEAD questions ! Thanks alot !