200 Kakuro 17x17 + 18x18 + 19x19 + 20x20 and 200 Tridoku Hard - Very Hard Levels.: Logic Puzzles of Heavy and Very Heavy Difficulty. Holmes Represents the Airbook Master Sudok. (250 Pieces of Sudoku and 250 Puzzles That You Can Download and Print).
(Kakuro and Tridoku Classic Sudoku, #8)
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200 Kakuro 17x17 + 18x18 + 19x19 + 20x20 and 200 Tridoku Hard - Very Hard Levels.: Logic Puzzles of Heavy and Very Heavy Difficulty. Holmes Represents the Airbook Master Sudok. (250 Pieces of Sudoku and 250 Puzzles That You Can Download and Print).
(Kakuro and Tridoku Classic Sudoku, #8)
