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Hard Sudoku puzzles with answers PDF
Expert drills
Hard Sudoku puzzles with answers PDF
Kick things up a notch with Pure Sudoku’s hard and expert generators. Export thick-stack PDFs that include
both the wicked puzzle and the exact solution for grading or walkthroughs.
Ready for classrooms and clubs
Pure Sudoku’s advanced generator ensures every hard grid has a single solution and calls for tactics like
X-Wing, Swordfish, and chain logic. Each PDF includes the finished board so you can review the deduction path.