petya finds 10 cards from a a pack of cards lying on the floor. 5 of them are black and five are red . He places them face-up, one above the other, in such a way that no black card has more than 2 red cards below it.In how many ways can he do this?

1) 60x7!
2) 5!5!-3
3) 3!7!
4) 2!3!5!