| a | b | c | d | e | f | g | h | i | |
| A | 6 | 1 | 4 | 9 | 5 | 8 | 7 | 3 | |
| B | 9 | 8 | 1 | 4 | 5 | ||||
| C | 7 | 8 | 3 | 2 | 6 | ||||
| D | 1 | 2 | 6 | 9 | 8 | 7 | |||
| E | 3 | 8 | 6 | 5 | 4 | 2 | 7 | ||
| F | 3 | 2 | 1 | 6 | 8 | 9 | |||
| G | 5 | 7 | 6 | 3 | 8 | ||||
| H | 6 | 9 | 8 | 7 | 2 | ||||
| I | 8 | 7 | 3 | 2 | 4 | 9 | 5 | 6 |
Here is an example of how you can use the Only Choice rule to solve Sudokus.
Running. Press the Stop button to pause the tutorial. Help page.
Welcome to a Sudoku Dragon tutorial. Use the bar under the grid to control how it is run. The buttons let you Stop; Play; Rewind back to start; Go back a step; Go forward a step.