corner cut outs

[Sweet Shady Lane]

Ok guys i have a 18"x24" flat pan and i want to put a divider on the draw off end witch is 3/4", how big should i make the corner cut outs, Should i put two in or just one, And then how big do i make the syrup end 6" 8" or what? This pan is a step up for me the old one was 12"x20" and no draw off