| a | b | c | d | e | f | g | h | i | |
| A | 8 | 3 | 4 | 1 | 9 | 7 | |||
| B | 7 | 2 | 5 | ||||||
| C | 9 | 7 | 3 | 6 | |||||
| D | 5 | 7 | 4 | ||||||
| E | 7 | 2 | 1 | 5 | 3 | ||||
| F | 5 | 6 | 7 | ||||||
| G | 7 | 6 | |||||||
| H | 7 | 1 | 8 | ||||||
| I | 6 | 2 | 7 | 8 | 9 | 4 |
When all else fails there is one strategy that works every time. All it requires is for you to work through the alternatives and if one of them does not reach the solution then it can be dismissed and another alternative chosen. The first step is to work out all the possibilities for each square.
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.