This system worked by timing the ball and wheel, and using the knowledge obtained to calculate the most probably octant where the ball would fall. Ironically, this system works finest with an unbiased wheel although it might still be countered quite easily by simply closing the desk for betting before beginning the spin. Some casinos also supply split-final bets, for example final 5-8 could be a 4-chip guess, one chip every on the splits 5–8, 15–18, 25–28, and one on 35. In the United Kingdom, the farthest outside bets (low/high, red/black, even/odd) end result within the participant shedding solely half of their guess if a zero comes up. In 2004, California legalized a type of roulette often identified as California Roulette.[10] By regulation, the sport must use cards and not slots on the roulette wheel to select the successful quantity.