<p>I guess it is just a rule, suppose you get 4 sign switches, then it would be either 4,2, or 0.</p>
<p>edit: person above beat me :P.</p>
<p>I guess it is just a rule, suppose you get 4 sign switches, then it would be either 4,2, or 0.</p>
<p>edit: person above beat me :P.</p>