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X-Sudoku adds two main diagonals (no repeats) to standard rules—what’s the trickiest X-Sudoku you solved (conflicting row/column/diagonal rules, or diagonal-only clues), and how did you use diagonals to spot hidden pairs? Did you ever fill a diagonal first to unlock the grid, and what’s the most cross-shaped Sudoku moment you had?
Posted : September 21, 2025 8:52 pm