the other half face down and i will shuffle the two halves together like so face up into face down so you can see how these cards are being interlaced and this of course leaves us with a mess of cards that face every which way face up and face down and no matter where i cut the deck i might cut to cards that are face up or face down or even cards that like these that are back to back now for level seven i'm not just going to try to make a few cards turn over now instead i will try to make every card in the deck turn face down except for the four aces so with just a flick every card is now face down every single card is face down except for all four aces now for level eight we're not going to need the four aces anymore they've done their day's work this time i'm going to use a card at random and it's very important that we don't know exactly what that card is just yet so i'll give these a few shuffles and let's just use that one i'll leave it underneath the card box for now i'm going to split this deck of cards into roughly four even piles looks about good and i will turn two of these piles face up so let's say these two now i'm going to shuffle these cards together once again face up into face down but this time i really want you to see how these cards are being interlaced then i'll shuffle all of these cards into these and again you can see they really are being pushed together shuffle all of these into all of these and again they really truly are being pushed together so for level NUMBER_TOKEN the goal is to make every card in the deck turn face down except for the ones that are the same suit as the card underneath the box that we haven't even looked at yet so if it's a spade i'll try to make all the cards turn face down except for the spades if it's a club i'll make them all turn face down except for the clubs here goes every card in the deck is now face down except for the diamonds the ace of diamonds is followed by the two which is followed by the three which is followed by the four and the five and the six and no seven but the eight is followed by the nine which is followed by the ten and the jack and the queen and the king which means the only missing diamond is the seven of diamonds and the one card underneath the box is the seven of the diamonds now for a level nine we're going to take the mixing to a whole new level this time i want you to be able to appreciate exactly how every single card is being shuffled so they all start facing the same way around and i'm going to mix them gradually on the table like this so what you'll notice is that i'm going through the deck turning groups of cards over so i leave some groups face down and i turn other groups face up and i'm going to go through the entire deck in this fashion until we are left with what is truly a total mess now i'm going to give these cards another shuffle and what i'm having to do is to keep track of the position of every card despite that first mixing you can see now they are even more hopelessly mixed up than
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