The 0 and the 2 touch each other on both the wheel and the layout with American Roulette. There is no other layout and wheel combination, anywhere, where any two number touch on both the wheel and layout as do the 0 and the 2. Though, there are novelty wheels (number placement), and doubtful deployed at any gaming jurisdiction I am aware of). It is a bet that needs to be watched when placed, though; as it can easily be cleaned up since it is rarely played or noticed -- and a polite, alert call would be in order.