Pictured Puzzles and Word Play / A Companion to the Twentieth Century Standard Puzzle Book

by A. Cyril Pearson

This is the rearrangement of the domino magic square—

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[Image]

The three-ace, which was a corner stone in the former diagram now occupies the centre, and the rearrangement was effected by first transferring the two bottom rows to the top, and then the fourth and fifth columns to the extreme left. This method of shifting the stones does not affect the magic quality of the square.

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No. XI

The affinity between chess and numbers is well illustrated by the Knight’s tour on this diagram—

The Knight starts from the square marked 1, and returns at last to it. The constant difference between any opposite and corresponding numbers in cells that are equidistant from the centre is 18.

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