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Sole Prime Difference Puzzle
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Author:  quadrata  [ Wed Mar 17, 2021 7:42 pm ]
Post subject:  Sole Prime Difference Puzzle

The clues in this new style of puzzle depend on the number of primes in the two cells. A numeric clue indicates that exactly one of those numbers is prime and reveals the difference of the two numbers. A numberless clue indicates that either both or neither of those two entries are prime numbers. (Remember that 1 is not a prime!)

For a solution and more info visit: ... edoku.html


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