If you are stuck on a Sudoku puzzle and want to see the solution, or maybe just a hint, you've come to the right spot. Simply fill in your partial puzzle by clicking on the squares and typing in their value.

Note: The Sudoku Solver supports digits 1-9 and letters A-Z.

4 2 1 5 8 3 2 7 1 6 1 6 8 4 3 9 3 2 1 7 6 3 8 4

Copyright©2025 Decabit Software
Last Updated: CST