Eight Words
After just 6 button presses return this grid to a position where four words can be read horizontally and four vertically.
Report your button presses and the 8 words found.
The "R" button resets the grid.
Congratulations! and thanks for the explanation (that the posted puzzle was active). I could see programming the exhaustive generation (16**6) and then for each, serial testing for eight valid words until a nonword appeared (if I had a wordlist). Is there general agreement on rules (e.g. not directly reversing the previous pressing)? Is there some wordlist commonly accepted as the authority for this puzzle (it cannot be simply generated and stored like a list of primes), or do you have a computer language with a builtin function 'isWord' or whatever. Cobol can efficiently handle the coding, but is no help with such a function. Is there a literature on this puzzle (and, if so, under what name or keywords)?
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