HoDoKu Solving Technique Index: Example for "Multi Colors"

Solving Technique Example

Original sudoku:

.....6.....7.3..4.1.6.8..957..9..85.9...4..2.4....8....93.5..1......7.......6...2

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

:0501:1:+3+4+9+5.6.+7+8..7.3+9.4.1+26+78+4+3957+6.9.+385+49...4+5+72.4...+78..+9+693+85+2+41+7+2...+97+5...+7..6+1+9.2::152 153:

The following representation can be pasted in most Sudoku programs:

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

| 3   4    9   | 5    12  6 | 12   7    8   |

| 58  58   7   | 12   3   9 | 126  4    16  |

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

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

| 7   6    12  | 9    12  3 | 8    5    4   |

| 9   138  18  | 16   4   5 | 7    2    136 |

| 4   135  125 | 126  7   8 | 16   36   9   |

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

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

| 2   18   148 | 34   9   7 | 5    368  36  |

| 58  7    458 | 34   6   1 | 9    38   2   |

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

Representation of the step:

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

| 3    4     9   | 5    12  6 | 12   7    8   |

| 58   58    7   | 12   3   9 | 126  4    16  |

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

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

| 7    6     12  | 9    12  3 | 8    5    4   |

| 9   -138  -18  | 16   4   5 | 7    2    136 |

| 4    135   125 | 126  7   8 | 16   36   9   |

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

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

| 2    18    148 | 34   9   7 | 5    368  36  |

| 58   7     458 | 34   6   1 | 9    38   2   |

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



Multi Colors: 1 (r1c5,r4c3) / (r1c7,r2c4,r4c5), (r2c9,r6c7) / (r5c9) => r5c23<>1