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See the progress the author has made since last time, after setting themselves the challenge of solving Sudoku puzzles using an o…

Awesome Sudoku Large Print With Tips and Tricks: 160 Medium to Hard Sudoku Puzzles for Adults, One Per Page, With Tips and Tricks for

Awesome Sudoku Large Print With Tips and Tricks: 160 Medium to Hard Sudoku Puzzles for Adults, One Per Page, With Tips and Tricks for Mastering Sudoku

Is this actually solvable? It was marked as medium difficulty : r/sudoku