400 Jigsaw Samurai and Sukrokuro. Very Hard Levels: Gattai-5 Sudoku and Sukrokuro 11x11+12x12 Puzzles. Holmes Presents a Collection of Original Classic Sudoku for Best Charging of the Mind.(Pluz 250 Sudoku and 250 Puzzles That You Can Download and Print)
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400 Jigsaw Samurai and Sukrokuro. Very Hard Levels: Gattai-5 Sudoku and Sukrokuro 11x11+12x12 Puzzles. Holmes Presents a Collection of Original Classic Sudoku for Best Charging of the Mind.(Pluz 250 Sudoku and 250 Puzzles That You Can Download and Print)
