What do you mean by four consecutive natural numbers?

The grand prize means that you must guess all the numbers, but in fact at least four numbers must be consecutive, such as 1234, 2345, 3456, etc. , and the 1 prize only needs a number pair.

A simple example of playing cards is that as long as all five cards in your hand are of the same suit (such as hearts), it is the first prize, while the grand prize is that all the cards in your hand are flush (as long as all four cards are ...)

Supplementary answer: Well, the grand prize is not always available, but the special case of 1 prize should be like this. Only when four of the five numbers of the 1 prize are consecutive, the grand prize will be counted as winning, so it will be counted as winning. It has nothing to do with the order of the lottery you want, but the numbers themselves are continuous. (For example, the number provided is 6 1.