| 3 | 1 | |||||||
| 1 | 6 | 7 | 8 | 5 | ||||
| 4 | 6 | 1 | 7 | |||||
| 9 | 1 | 2 | ||||||
| 6 | 5 | 9 | 8 | |||||
| 1 | 4 | 6 | ||||||
| 1 | 9 | 7 | 6 | |||||
| 6 | 4 | 5 | 7 | 8 | ||||
| 7 | 3 | 
Puzzle Copyright © Kevin Stone
Objective / Rules
- Complete the grid such that every row, every column, and every 3 x 3 block contains the numbers from 1 to 9.
- Sudoku is a game of logic, and no mathematics is required to solve the puzzles.