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Puzzle inventor Mark Eliot bets fortune on tetrahedron puzzle
London writer Mark Eliot, 41, created a Great Pyramid Puzzle with 36 triangular pieces forming a four faced tetrahedron. He claims 72 000 trillion trillion possible patterns and a single solution, with each piece carrying a numeric value. one face totals 864, aiding verification. He tossed 1850 pounds in a stunt near Piccadilly Circus as publicity.
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Mark Eliot
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