Sudoku 25x25 50 Giant Medium Sudoku Puzzles by Jacob James | Goodreads
Sudoku Puzzle 25X25, Volume 1
TouchArcade
25 x 25 Large Sudoku Solving Hints
GitHub - huaminghuangtw/Parallel-Sudoku-Solver: 🔢 A parallelized Sudoku solver implemented with various solving algorithms in C++.
Sudoku Monster 25x25
SUDOKU 25 x 25 Puzzle Book 1: 100 Easy Puzzles (Paperback) | The Reading Bug
Alphadoku image example, 25X25 sudoku puzzle, asymmetric, expert No. 10000.
Looking for a great sudoku pen that can write small, not smudge, and still be legible. If anyone has any suggestion. I started doing these 25x25 sudoku puzzles and it's really hard