timing

Long story short my cam chain tensioner went my chain stretch and my timing moved , I need to no witch is cylinder 1 and witch timing mark goes were , there is 3 logos on the timing sprocket , 20s , I , e does any have a picture from the manual or of there own

I know this has been done to death , I have tried using the search link either I am really thick and doing something wrong but getting no links. I noticed yesterday that I have a rattle when I was stopped at a junction and when I was moving off it sounded like a nose you would expect to hear...