100% free premium coloring pages · Sign in free with Google · New designs every week
Watermarked previewPrintable hard 9x9 classic Sudoku puzzle grid featuring 180-degree rotational symmetry.

Preview only · members download without the watermark

Plus

Hard 9x9 Classic Sudoku Puzzle with 180-Degree Symmetry

This hard 9x9 classic Sudoku features 180-degree rotational symmetry and delivers a rigorous deduction challenge. Solvers will rely on naked and hidden singles, naked and hidden pairs, pointing candidates, X-Wings, and Y-Wings to resolve every cell. A separate answer key is included for convenient verification.

Created by InnerSophist

Create a Sudoku