Masyu by William Hu

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Masyu by Serkan Yürekli

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Sunday Special: Isodoku (Clone) by Thomas Snyder

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Arrow Sudoku by David Altizio

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Arrow Sudoku by Zoltán Horváth

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Thermo-Sudoku by Zoltán Horváth

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Thermo-Sudoku by Ashish Kumar

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Sudoku by Ashish Kumar

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Sudoku by Zoltán Horváth

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Diagonal Sudoku by Joseph Howard

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