It pours into 7 before 6, liquid will always take the easiest route, so therefore will empty into 3 before 2 and then 7 before 6.
Yes you're right, that's what happens when you look through beer eyes. So the answer is 6 then. Just seen you posted 6 further up the page.
its no 4 the end of6 is blocked it pours 1 2 4 all others are block by either no exit on the glass or the overflow pipe blocked