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(HP-67/97) a little fun with the fifteen puzzle
12-06-2016, 05:14 AM
Post: #7
RE: (HP-67/97) a little fun with the fifteen puzzle
Here is a link to a version of the fifteen puzzle that has removable pieces. It includes a small book that is very well illustrated and gives the interesting history of the puzzle.

book
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RE: (HP-67/97) a little fun with the fifteen puzzle - Don Shepherd - 12-06-2016 05:14 AM



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