HoDoKu Solving Technique Index: Example for "Remote Pair"

Solving Technique Example

Original sudoku:

..845...6..3..1.........87........48.2.1.37...6..9....9...14.3.1.7.2..5.2........

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

:0703:5:+7+9845+2+3+16+6.3+7+81.+9+2.+1+2.+3.87.+3+7.+2+6+5.48+82.1+437+6..6.+89+7.+2+39+8..14+23+71.7.2+8.5.2...+7..+8+1::567:

The following representation can be pasted in most Sudoku programs:

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

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

| 6   45   3   | 7     8  1  | 45   9  2  |

| 45  1    2   | 69    3  69 | 8    7  45 |

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

| 3   7    19  | 2     6  5  | 19   4  8  |

| 8   2    59  | 1     4  3  | 7    6  59 |

| 45  6    145 | 8     9  7  | 15   2  3  |

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

| 9   8    56  | 56    1  4  | 2    3  7  |

| 1   34   7   | 369   2  8  | 469  5  49 |

| 2   345  456 | 3569  7  69 | 469  8  1  |

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

Representation of the step:

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

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

|  6   *45   3   | 7     8  1  | *45   9  2  |

| *45   1    2   | 69    3  69 |  8    7  45 |

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

|  3    7    19  | 2     6  5  |  19   4  8  |

|  8    2    59  | 1     4  3  |  7    6  59 |

| *45   6    145 | 8     9  7  |  1-5  2  3  |

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

|  9    8    56  | 56    1  4  |  2    3  7  |

|  1    34   7   | 369   2  8  |  469  5  49 |

|  2    345  456 | 3569  7  69 |  469  8  1  |

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



Remote Pair: 4/5 r2c7 -5- r2c2 -4- r3c1 -5- r6c1 => r6c7<>5