I've designed a set of dominoes puzzles that I call Donimoes. You slide the dominoes like the cars in Nob Yoshigahara's Rush Hour puzzle, always along their long axis. The goal of Unmatched Donimoes is to slide all the dominoes into a rectangle, without sliding any matching numbers next to each other. See Monday's problem for complete rules and and an example solution. Tuesday's and Wednesday's problems would make a good warmup.

Today's problem is a little bigger and a little harder. Good luck, and post your solution as an answer.

starting layout

If you like this puzzle, watch for one more problem tomorrow.


1 Answer 1


This seemed to work. There are a couple of spots where there are disconnected pieces during a move, but IIRC that was acceptable.

enter image description here

  • $\begingroup$ The animated gif is cute. I found gif-scrubber to help me step through it for checking the moves. $\endgroup$
    – Don Kirkby
    Commented Jul 26, 2019 at 0:30

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