This example is a bit harder than the previous one, and is intended for more advanced players (don’t worry, you don’t have to be Einstein or Hawking to get it).
Of course there are examples far more difficult than this, but if you are already in that level, I assume you wouldn’t need a tutorial any […]

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The modern puzzle Sudoku was invented in Indianapolis in 1979 by Howard Garns. Garns contributed his puzzles to Dell Magazines, which published them under the moniker “Number Place”. Interest in Sudoku surged from a revival in Japan in 1986, when puzzle publisher Nikoli discovered the game in older Dell publications, and republished the format leading […]

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