Typical rules don't apply, for example:

**Spoiler:**

Rule 1: Your number has X+ preceding it, where X is the previous post, unless your number uses the previous number in some other way (You may use X to reference it, in other words, X in the current post is shorthand for the number of the previous post).

The XKCD illion is 10

^{3Y+3}where Y = The latest number posted in this thread.

1000