The spectator takes a pack of 8 cards, which they deal down into 2 piles, and chooses which one comes on top.
They can do it as many times as they like. Now they deal the pack into 4 pairs, each pair have 2 cards. They flip the pair and add the value of the 2 cards together, and see in the list, which will match the total number which matches the total number.
They can do it as many times as they like. Now they deal the pack into 4 pairs, each pair have 2 cards. They flip the pair and add the value of the 2 cards together, and see in the list, which will match the total number which matches the total number.