Select 5 from 15, and determine the winning grade according to the coincidence of the betting station number and the lottery number. The specific provisions are as follows:

Grand prize: the single note number is the same as the five lottery numbers in the current period, and it contains at least four consecutive natural number numbers (regardless of the order of winning numbers, the same below);

First prize: the single note number is the same as the five lottery numbers in the current period. If there is a special prize above, it will be regarded as both;

Second prize: the single note number is the same as any four numbers in the current lottery number, and cannot be combined with the above prizes.