If you decide to use this roulette strategy, you have to know what to put in the necessary 24 rooms. That is why this system roulette got its name. This system can be considered in three variants, each of which is effective in its own way.
Option number 1
Bets are made in equal proportions over 2 dozen. If in the previous rotation fell less (1 - 18), it should be placed on the first and second dozen, and if you played the number belongs to a segment of the larger (19 - 39), it should be put on the second and third dozen.