HoDoKu Solving Technique Index: Example for "(Finned) Sashimi X-Wing"

Solving Technique Example

Original sudoku:

......3..9.4..2.61....9.72..619..8.3...3.4.7...2.......97.1..4.5....8............

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

:0320:3:......3+8+99.4..2+561....9.72+4+4619+2+78+53+8+5+93+64+17+2..2...+4+9+6.97.1..4+85....8+9.+7.....+9..+5::371:c36 r37 fr8c3 fr9c3

The following representation can be pasted in most Sudoku programs:

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

| 1267  127    56   | 14567  457  156  | 3   8   9 |

| 9     378    4    | 78     378  2    | 5   6   1 |

| 136   138    3568 | 1568   9    1356 | 7   2   4 |

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

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

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

| 37    37     2    | 158    58   15   | 4   9   6 |

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

| 236   9      7    | 256    1    356  | 26  4   8 |

| 5     1234   36   | 246    34   8    | 9   13  7 |

| 1236  12348  368  | 2467   347  9    | 26  13  5 |

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

Representation of the step:

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

| 1267  127     56   | 14567  457   156  | 3   8   9 |

| 9     378     4    | 78     378   2    | 5   6   1 |

| 136   138    *3568 | 1568   9    *1356 | 7   2   4 |

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

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

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

| 37    37      2    | 158    58    15   | 4   9   6 |

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

| 2-36  9       7    | 256    1    *356  | 26  4   8 |

| 5     1234   #36   | 246    34    8    | 9   13  7 |

| 1236  12348  #368  | 2467   347   9    | 26  13  5 |

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



Sashimi X-Wing: 3 c36 r37 fr8c3 fr9c3 => r7c1<>3