Henry Ernest Dudeney/Puzzles and Curious Problems/308 - Domino Hollow Squares
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Puzzles and Curious Problems by Henry Ernest Dudeney: $308$
- Domino Hollow Squares
- It is required with the $28$ dominoes to form $7$ hollow squares, like the example given,
- so that the pips in the four sides of every square shall add up alike.
- All these seven squares need not have the same sum, and, of course, the example given need not be one of your set.
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Sources
- 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Crossing River Problem, and Problems Concerning Games and Puzzle Games: $308$. -- Domino Hollow Squares
- 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Domino Puzzles: $487$. Domino Hollow Squares