Looking for solutions to poker magic

Then play 20 cards.

These 20 cards are hearts 1~ 10 and diamonds 1~ 10.

Hold it in your hand in order.

At this time, the fake shuffle.

The method is: take a few cards from the bottom of the whole deck and put them on the top of the whole deck (from top to bottom)

At this time, the back is facing up, and nine cards are placed on the table in turn.

If he says it's different, go straight to the bottom of the whole deck (the whole deck is 1 1, and the back is up, because there are 9 cards on the table).

If he said the same thing,

Then put your hand in the other direction, this time facing up, and push the last one away.

Play the penultimate picture.