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iUniverse, Inc.
iUniverse, Inc. • 1 year ago

Are you hooked on SuDoku-a true SuDokuholic, looking for a challenge? Each challenging puzzle contains a single 'One Choice' number-can you spot it? Though there are other methods to solve SuDoku puzzles you're stuck on, practice in spotting 'One Choice' numbers will often give you what you need to continue.

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