HoDoKu Solving Technique Index: Example for "Locked Candidates Type 2 (Claiming)"

Solving Technique Example

Original sudoku:

.1....4.....6.3.....6.8...38..95.1...2.4...58795.........5..7.......7.......3.641

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

:0101:7:+31+8..+54.+6...6.3+8+1...6.8.+5.38+6+495+21+3+7+12+34+7+6+958795+3+1+8+2+6+4.+3.5..7+8......7+3.+5....3+9641::732:

The following representation can be pasted in most Sudoku programs:

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

| 3     1    8   | 27   29   5  | 4  279  6  |

| 2459  457  279 | 6    249  3  | 8  1    29 |

| 249   47   6   | 127  8    14 | 5  279  3  |

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

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

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

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

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

| 2469  3    129 | 5    246  14 | 7  8    29 |

| 2469  48   129 | 128  246  7  | 3  29   5  |

| 25    578  27  | 28   3    9  | 6  4    1  |

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

Representation of the step:

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

| 3      1     8   | 27   29   5  | 4  279  6  |

| 2459  *457  *279 | 6    249  3  | 8  1    29 |

| 249    4-7   6   | 127  8    14 | 5  279  3  |

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

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

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

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

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

| 2469   3     129 | 5    246  14 | 7  8    29 |

| 2469   48    129 | 128  246  7  | 3  29   5  |

| 25     578   27  | 28   3    9  | 6  4    1  |

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



Locked Candidates Type 2 (Claiming): 7 in r2 => r3c2<>7