A roundabout bet is made up of 3 singles and 3 any to come (ATC) doubles to twice the stake. If the single bet wins, twice the stake is then used on a double for the other two selections. However if one of the horses odds are less than evens, the full return will be used on the additional bet.
Sic Bo is an ancient Chinese game played with three dice. The object of the game is to predict which numbers will appear on the dice once they are shaken. Bets range from a specific triple with payout odds of 180 to 1 to betting on the value of one of the dice with payout odds of 1 to 1.