Can you arrange a standard set of $28$ dominoes into a rectangle of $7\times8$, where each of the 8 rows sum to $21$ and each of the 7 columns sum to $24$?

double 6 dominoes

Image from WikiPedia.

The 'twistier' the better!

  • 5
    $\begingroup$ This is a well known problem which has been solved. One of the solutions is described in the following paper by Michael Springfield and Wayne Goddard: pdfs.semanticscholar.org/6923/… $\endgroup$ – ppgdev May 17 at 3:31

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.