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Sixteen Numbers
You are going to place all numbers from 1 to 16 on a 4x4 chessboardsuch that all consecutive number pairs (1-2, 2-3, ..., 15-16) will beon the neighboring cells (left-right-top-down).
In how many different ways can this be done?
If the question was asked for a 2x2 chessboard, the answer would be 8.
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