Correct, two facing pages on the sheet. If that's what you mean. Like a magazine. But when I print, one design takes up the ENTIRE 11X17 sheet and it doesn't split in half.
Thank you for the fast reply!
So I changed it to what you said and it worked (thank you, you saved my life x) )
But now when I try to print it's cutting off quite a large chunk of the page. I have a gutter set for 3p0 and I've defined the page as 11x17, but it's not working in my favor.