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This is the first time I play Sudoku. I learnt the basics but can't understand why this 3 is wrong. There's no other 3 in the square, column, or row. So what's
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Sudoku 2021: Tages-Abreisskalender. Jeden Tag ein neues Sudoku. I Aufstellbar I 12 x 16 cm : Korsch Verlag: Amazon.com.tr: Kitap
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The hardest easy level Sudoku I personaly have ever done.. Plus the longest time I've done! : r/sudoku
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