Sudoku Tutorial
Sudoku - Pencil Marks
A Smarter Sudoku on your mobile phone - HarryOnline
Is there a Sudoku app that automatically fills in the pencil marks? I usually spend 3-4 min filling in all pencil marks (boring) before starting to solve(fun!). I want the pencil marks
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Help me understand. I've done medium puzzles my whole life, I'm breaking into “hards” and learning new techniques. But I'm stuck on some pencil marks. (Rest in comments) : r/sudoku
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:max_bytes(150000):strip_icc()/Puzzaz-33ddae20b69944478f3120963de813f2.jpg "The 8 Best Sudoku Offline Games of 2023")
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Is there a trick to solving this whithout heaps of pencil marks? : r/sudoku
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Sudoku - Pencil Marks
How to solve Soduko Puzzles without using Pencil Marks | sudokuboss
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