The tickets can be bought from Monday to Saturday in over eleven thousand locations in Spain and cost €1.50 per grid.
By selecting six to eleven numbers in the first grid you can make multiple (6 to 462) bets with the same ticket.
For all categories, the prize is shared in equal parts among all matching tickets.
First category has a guaranteed minimum amount of five million euros.
The resulting amount R is then distributed like this: Special rules apply in case any of these categories remains void, and also in case any category were to have lower prizes than a lower one.