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A young man was strolling down a street. As he passed a large building with a fence around it, he heard a group of people chanting "Thirteen, thirteen, thirteen" over and over again.

Curious, he tried to see over the fence, but couldn't. Then he spotted a hole in the wood.

He put his eye to the hole. He just managed to spy some elderly people sitting in deckchairs chanting, before a finger came out of nowhere and poked him in the eye.

As he staggered back, the old people started chanting, "Fourteen, fourteen, fourteen..."
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