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11.		Solitaire for Kindle Vol. 1	Click here for more information

12.		Puzzlebook: 100 Puzzle Quizzes (color and interactive!) from Grabarchuk Puzzles	Click here for more information

13.		Handheld Electronic Sudoku Game from Setron Price: £5.98	Click here for more information

14.		Mensa Brain Trainer Electronic Game from TKC Price: £23.15	Click here for more information

15.		4D Sudoku Puzzle Cube - The Ultimate Brainteaser from Unknown Price: £3.45	Click here for more information

16.		Lexibook Electronic Countdown and Sudoku from Lexibook Price: £9.00	Click here for more information

17.		Kindle Game Freebies: How To Download, Play, and Win Free Kindle Games	Click here for more information

18.		Sudoku Champ!: Easy and Relaxing Mental Excercise for Age 9-99 from Pustak Mahal	Click here for more information

19.		The flaws of Sudoku puzzles (2012)	Click here for more information

20.		Touch Screen LCD Electronic Sudoku Game with Large Display, Backlight & 2 Million Puzzles from Good Fun Games Co. Price: £19.99	Click here for more information

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