Count out 21 cards and lay them face down on a flat surface. Ask a person to take one card and memorize it, then place it back on the table without showing you (of course.) Mix the cards and then deal them, face up, into seven rows of three cards each. Ask the person to look for his/her card, and to tell you which COLUMN their card is in. Whichever column it is, gather up the cards, making sure that column goes in between the other two. Deal the cards, again 7 rows of 3, and ask again which COLUMN. Repeat this one more time. Be careful: DON'T MIX THE CARDS BY ACCIDENT. After doing that, turn the cards face down, so the backs are towards you, and count off ten cards. THE ELEVENTH CARD IS THE PERSON'S. (Hint: In these three times the person's card should appear twice in the same column and once in a different one.)
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