1, one yard means to choose a group of lottery numbers for a single bet, with the lowest winning probability and the highest winning amount.
2. Two yards means selecting two groups of lottery numbers to make a single bet, the winning probability is higher than one yard, and the winning amount is lower than one yard.
3. Three yards means choosing three groups of lottery numbers for single bet. The winning probability is higher than two yards, and the winning amount is lower than two yards.
4. Four yards means choosing four groups of lottery numbers for a single bet. The winning probability is higher than three yards, and the winning amount is lower than three yards.
5. Five yards is to select five groups of lottery numbers for single bet, with the highest winning probability and the lowest winning amount.