HoDoKu Solving Technique Index: Example for "Continuous Nice Loop/AIC Loop"

Solving Technique Example

Original sudoku:

.8.2..1.3....7........6..4....1...5.7...5.39.2....9716563..............997..2.5..

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

:0706:2345689:.8.2..1.3....7........6..4....1.+7.5.7..+65+239.2....9716563..............997..2.5..:176 186 287 288 196:279 384 413 474 475 479 484 526 536 613 874 875 879 884 913:

The following representation can be pasted in most Sudoku programs:

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

| 46    8       45679  | 2      49    45    | 1     67    3     |

| 1346  123459  124569 | 34589  7     13458 | 2689  268   258   |

| 13    12359   12579  | 3589   6     1358  | 289   4     2578  |

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

| 3468  349     4689   | 1      348   7     | 248   5     248   |

| 7     14      148    | 6      5     2     | 3     9     48    |

| 2     345     458    | 348    348   9     | 7     1     6     |

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

| 5     6       3      | 4789   1489  48    | 248   278   12478 |

| 148   124     1248   | 34578  1348  34568 | 468   3678  9     |

| 9     7       148    | 348    2     3468  | 5     368   148   |

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

Representation of the step:

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

| 46    8       *-45-67-9 |  2          49      *45     | 1     67     3        |

| 1346  123459   124569   |  34589      7        134-58 | 2689  268    258      |

| 13    12359   *12579    |  3589       6        13-58  | 289   4     *2578     |

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

| 3468  349      4689     |  1          348      7      | 248   5      248      |

| 7     14       148      |  6          5        2      | 3     9      48       |

| 2     345      458      |  348        348      9      | 7     1      6        |

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

| 5     6        3        | *-47-89    *1-4-89   48     | 248   278   *1-2-47-8 |

| 148   124      1248     | *-3-457-8   1348    *34568  | 468   3678   9        |

| 9     7        148      |  348        2        3468   | 5     368    148      |

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



Continuous Nice Loop 9= r7c5 =1= r7c9 =7= r3c9 -7- r3c3 =7= r1c3 =5= r1c6 -5- r8c6 =5= r8c4 =7= r7c4 =9= r7c5 =1 => r7c9<>2, r8c4<>3, r1c3,r7c459,r8c4<>4, r23c6<>5, r1c3<>6, r7c459,r8c4<>8, r1c3<>9






Copyright © 2008-12 by Bernhard Hobiger
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