HoDoKu Solving Technique Index: Example for "Hidden Single (cross hatching)"
Original sudoku:
..2193........7...7...4..198.3...6...45...23...7...5.437..8...6...6........5341..
Use the following line if you want to load the sudoku in HoDoKu:
:0002::..2193........7...7...4..198.3...6...45...23...7...5.437..8...6...6........5341..:::
The following representation can be pasted in most Sudoku programs:
.----------------------.-------------------.----------------------. | 456 568 2 | 1 9 3 | 478 45678 578 | | 14569 135689 14689 | 28 256 7 | 348 24568 2358 | | 7 3568 68 | 28 4 2568 | 38 1 9 | :----------------------+-------------------+----------------------: | 8 129 3 | 2479 1257 1259 | 6 79 17 | | 169 4 5 | 789 167 1689 | 2 3 178 | | 1269 1269 7 | 2389 126 12689 | 5 89 4 | :----------------------+-------------------+----------------------: | 3 7 149 | 29 8 129 | 49 2459 6 | | 12459 12589 1489 | 6 127 129 | 34789 245789 23578 | | 269 2689 689 | 5 3 4 | 1 2789 278 | '----------------------'-------------------'----------------------'
Representation of the step:
.----------------------.--------------------.----------------------. | 456 568 2 | 1 9 3 | 478 45678 578 | | 14569 135689 14689 | 28 256 7 | 348 24568 2358 | | 7 3568 68 | 28 4 2568 | 38 1 9 | :----------------------+--------------------+----------------------: | 8 129 3 | 2479 1257 1259 | 6 79 17 | | 169 4 5 | 789 167 1689 | 2 3 178 | | 1269 1269 7 | *2389 126 12689 | 5 89 4 | :----------------------+--------------------+----------------------: | 3 7 149 | 29 8 129 | 49 2459 6 | | 12459 12589 1489 | 6 127 129 | 34789 245789 23578 | | 269 2689 689 | 5 3 4 | 1 2789 278 | '----------------------'--------------------'----------------------' Hidden Single: r6c4=3
Copyright © 2008-12 by Bernhard Hobiger
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