Ball sets are the groups of lotto balls that lotteries use in their drawing machines to choose the winning numbers. For the most part, strategizing based on a ball set is useless because most lotteries do not reveal which ball set is going to be used for the next drawing. The Ball Sets/Rotation Chart is a strategy chart in Advantage Plus (Chart M). This chart is only available for a few games which we track the ballsets for. Many lotteries do not provide this information.

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