200 BrickWallDoku + 200 Jigsaw Killer "X" Diagonal Sudoku. Puzzles very hard levels.: Holmes presents a collection of superb classic sudoku to better recharge your mind. Top of the path. (plus 250 sudoku and 250 puzzles that can be printed).
(Brickwalldoku and Jigsaw Killer Classic Sudoku, #5)
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200 BrickWallDoku + 200 Jigsaw Killer "X" Diagonal Sudoku. Puzzles very hard levels.: Holmes presents a collection of superb classic sudoku to better recharge your mind. Top of the path. (plus 250 sudoku and 250 puzzles that can be printed).
(Brickwalldoku and Jigsaw Killer Classic Sudoku, #5)
