HoDoKu Solving Technique Index: Example for "Finned Franken Swordfish"

Solving Technique Example

Original sudoku:

..67...91..9....623............3...4..72...1.4....1....31..8.75...9......65....3.

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

:0341:8:..67..+391..9+3...623......+4.....3...4..72...1+34.+3..1....31..8.75..+49+5+3+1.+6.65....3.:541 941 547 847 951 557 665 567 475 791 495 496 897:837:c34b6 r346 fr5c7

The following representation can be pasted in most Sudoku programs:

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

| 258   2458   6  | 7     248    245  | 3      9    1   |

| 1578  14578  9  | 3     148    45   | 578    6    2   |

| 3     12578  28 | 1568  12689  2569 | 578    4    78  |

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

| 1268  12589  28 | 568   3      5679 | 2679   258  4   |

| 568   589    7  | 2     4689   4569 | 689    1    3   |

| 4     2589   3  | 568   789    1    | 26789  258  789 |

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

| 29    3      1  | 46    26     8    | 249    7    5   |

| 278   278    4  | 9     5      3    | 1      28   6   |

| 289   6      5  | 14    127    27   | 249    3    89  |

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

Representation of the step:

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

| 258   2458    6  |  7     248    245  |  3       9     1   |

| 1578  14578   9  |  3     148    45   |  578     6     2   |

| 3     12578  *28 | *1568  12689  2569 |  57-8    4     78  |

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

| 1268  12589  *28 | *568   3      5679 |  2679   *258   4   |

| 568   589     7  |  2     4689   4569 | #689     1     3   |

| 4     2589    3  | *568   789    1    | *26789  *258  *789 |

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

| 29    3       1  |  46    26     8    |  249     7     5   |

| 278   278     4  |  9     5      3    |  1       28    6   |

| 289   6       5  |  14    127    27   |  249     3     89  |

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



Finned Franken Swordfish: 8 c34b6 r346 fr5c7 => r3c7<>8