The goal of Sudoku is to fill in every cell in a 9x9 grid so that the numbers 1 through 9 appear once, and only once, in each row, column and 3x3 block. Below is an example of an unsolved sudoku.
| 9 | 4 | |||||||||
| 8 | 1 | |||||||||
| 7 | 5 | 3 | 8 | |||||||
| 2 | 7 | 1 | 8 | |||||||
| 1 | 8 | 5 | 3 | 6 | 4 | |||||
| 6 | 4 | |||||||||
| 2 | 3 | |||||||||
| 4 | 5 | 6 | 7 | 8 | ||||||
| 9 | 3 | 4 | 1 | 8 | 2 | 6 | ||||
Copyright©2025 Decabit Software
Last Updated: CST
Last Updated: CST