You've snared a couple of doofuses, probably with a pair each, and you're going to clean their clocks... You shouldn't like checking. As an example, and to simplify things so that we can get a better vision of exactly what's happening; let's assume that we simply put $1 on each of the eighteen low numbers and $2 on each of the eighteen high numbers. The letter X is formed by covering eight numbers two under the letter B, two under the letter I, two under the letter G and two under the letter O which all forms an X.