I think most casino players take cognizance of the betting rows on the roulette table. These rows, also known as dozens, represent groups of 12 numbers each, and they are typically labeled as 1-12, 13-24, and 25-36. Many players prefer to place outside bets on these dozens, as it allows them to cover a large portion of the numbers on the table while still retaining relatively favorable odds. For example, betting on the first dozen (numbers 1-12) would cover almost one-third of the numbers