There is two rooms; labeled Positive and Negative.

The positive numbers is where the high-class and where royal numbers are {like; 1, 2, 3, 4, 5 and so on and so fourth.}

The negative numbers is where the low-class numbers are, where they serve the positive numbers, zero {the guard of all this} says something while he does not notice you.

"Heh, I am so good at guarding that I can make sure they do not get out of their rightful places in ease." Zero says with a smirk.