Magnum Prize Structure - 4D, 4D Jackpot, Powerball

win 4d1. Understand the 4D Lottery Structure. Before diving into strategies, understanding the mechanics of the 4D game is essential: Choosing Your Dits: Singapore 4D requires4D draw tied to the Singapore Sweep draw. Every first Wednesday of the month, 4D Winning Numbers are reflected as last four dits of the top 23 winning number binations of the Singapore Sweep draw.