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Solving a 6x6 KenKen - YouTube
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logical deduction - How to solve the next field of this Kenken-Puzzle by logic? - Puzzling Stack Exchange
KenKenUK on Twitter: "Can you solve today's 4 x 4 KenKen Puzzle UK challenge? Why not post your time taken in the comments. For unlimited FREE KenKen puzzles of all levels and