HoDoKu Solving Technique Index: Example for "Cannibalistic Finned Franken Swordfish with Endo Fins"

Solving Technique Example

Original sudoku:

.865.........4...8.9...2.......1....4..7....59......1......5.63...18.9..65..9.8.4

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

:0341:9:.865.........4...8.9+4+8.2.......1....4+1.7....59...+5..1.+8.+9+4.5+163.+4.18+69+5.65+1.9.8.4::916:r15b3 c68b2 efr1c8 efr1c9

The following representation can be pasted in most Sudoku programs:

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

| 1237   8     6     | 5     37   1379 | 2347   23479   1279 |

| 12357  237   2357  | 369   4    1379 | 23567  2379    8    |

| 1357   9     4     | 8     367  2    | 3567   37      167  |

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

| 2357   2367  23578 | 2369  1    3489 | 23467  234789  2679 |

| 4      1     238   | 7     236  389  | 236    2389    5    |

| 9      2367  2378  | 236   5    348  | 23467  1       267  |

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

| 8      27    9     | 4     27   5    | 1      6       3    |

| 237    4     237   | 1     8    6    | 9      5       27   |

| 6      5     1     | 23    9    37   | 8      27      4    |

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

Representation of the step:

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

| 1237   8     6     | 5     37   *137-9 | 2347   @23479   @1279 |

| 12357  237   2357  | 369   4     1379  | 23567  *2379     8    |

| 1357   9     4     | 8     367   2     | 3567    37       167  |

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

| 2357   2367  23578 | 2369  1     3489  | 23467   234789   2679 |

| 4      1     238   | 7     236  *389   | 236    *2389     5    |

| 9      2367  2378  | 236   5     348   | 23467   1        267  |

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

| 8      27    9     | 4     27    5     | 1       6        3    |

| 237    4     237   | 1     8     6     | 9       5        27   |

| 6      5     1     | 23    9     37    | 8       27       4    |

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



Finned Franken Swordfish: 9 r15b3 c68b2 efr1c8 efr1c9 => r1c6<>9