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博客來-1,000 + Calcudoku sudoku 7x7: Logic puzzles hard - extreme levels

The absolutely Sudoku puzzles. 6 puzzles per page. Paperback glossy cover. 250 Kakuro sudoku puzzles 5x5 levels. 250 Kakuro sudoku puzzles 6x6 levels.

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1,000 + Calcudoku sudoku 9x9: Logic puzzles hard - extreme levels Basford Holmes 9781652712480

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This Hard Logic Puzzles book is packed with the following features: , - 48 Sudoku Puzzles, - 36 Fillomino Puzzles, - 48 Battleships Puzzles, - 32

Challenging Fun Brain Teasers: Hard Logic Puzzles & Brain Games for Adults: 500 Puzzles & 12 Puzzle Types (Sudoku, Fillomino, Battleships, Calcudoku

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The 10 Hardest Logic/Number Puzzles

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