The winners from the same level only share the Prize Pools. So, for example, Astronaut Aldrin had 5 numbers on his ticket that matched the Winning Numbers (in the correct order, starting on the left), lets also assume he was the only person to have 5 matching numbers. As a result, he would receive prizes from the Level 5 Prize Pool, and because he was the only person to qualify for the Level 5 Prize Pool, he would win the entire Level 5 Prize Pool (lucky guy).