HoDoKu Solving Technique Index: Example for "Unique Rectangle (Invalid sudoku!)"

Solving Technique Example

Original sudoku:

175839426.3.274915429651378.1.395742547162839293487651754926183981543267362718594

Use the following line if you want to load the sudoku in HoDoKu:

:0000:x:175839426.3.274915429651378.1.395742547162839293487651754926183981543267362718594:::

The following representation can be pasted in most Sudoku programs:

.-----------.---------.---------.

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

| 68  3  68 | 2  7  4 | 9  1  5 |

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

:-----------+---------+---------:

| 68  1  68 | 3  9  5 | 7  4  2 |

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

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

:-----------+---------+---------:

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

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

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

'-----------'---------'---------'

Representation of the step:

Copyright © 2008-12 by Bernhard Hobiger
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