Henry Ernest Dudeney/Puzzles and Curious Problems/310 - Two Domino Squares

by : $310$

 * Two Domino Squares
 * Arrange the $28$ dominoes as shown in the diagram to form two squares
 * so that the pips in every one of the eight sides shall add up alike.


 * Dudeney-Puzzles-and-Curious-Problems-310.png


 * The constant addition must of course be within limits to make the puzzle possible,
 * and it will be interesting to find those limits.
 * Of course, the dominoes need not be laid according to the rule, $6$ against $6$, blank against blank, and so on.