3d direct election missing data statistics is to count how many periods a number has not appeared. 3D The amount of each injection is RMB 2 yuan. Betters can place their bets at the China Welfare Lottery Station. The betting number is printed by the betting machine as a redemption voucher and handed over to the bettor for safekeeping. This redemption voucher is a 3D lottery ticket. The sales period numbers are defined by the drawing date and arranged according to the calendar year. 3D game setting prize pool. The prize pool fund consists of the difference between the current accumulated bonus and the actual bonus. When the actual bonus in the current period is less than the accumulated bonus, the balance will enter the prize pool; When the actual bonus in the current period exceeds the accumulated bonus, the difference will be made up by the prize pool funds. When the total amount of prize pool funds is insufficient, it will be supplemented by the adjustment fund. When the adjustment fund is insufficient, it is supported by working capital and used for lottery redemption. If the working capital for lottery redemption is paid in advance, the working capital for lottery redemption shall be given priority when funds are rolled in from the adjustment fund. When the prize pool funds reach 2 million yuan, the excess can be transferred to the adjustment fund.