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

Solving Technique Example

Original sudoku:

....6.1...275....6.....43.84....798.....5.2.1...........4.......619...24.3...1...

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

:0706:2368:.+4..6.1.+2.275..+4+96.....43.84+1...798+5....5.2.1......+6.+7..4....+1+3.619...24.3...1.+6+9::244 264 265 325 365 676 876 886:

The following representation can be pasted in most Sudoku programs:

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

| 3589   4     3589  | 378    6       389  | 1    57  2 |

| 138    2     7     | 5      138     38   | 4    9   6 |

| 1569   59    569   | 127    1279    4    | 3    57  8 |

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

| 4      1     236   | 236    23      7    | 9    8   5 |

| 36789  789   3689  | 3468   5       3689 | 2    34  1 |

| 23589  589   23589 | 12348  123489  2389 | 6    34  7 |

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

| 25789  5789  4     | 2678   278     2568 | 578  1   3 |

| 578    6     1     | 9      378     358  | 578  2   4 |

| 2578   3     258   | 2478   2478    1    | 578  6   9 |

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

Representation of the step:

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

| 3589   4     3589  |  378      6          389    | 1    57  2 |

| 138    2     7     |  5        1-38       38     | 4    9   6 |

| 1569   59    569   |  127      1279       4      | 3    57  8 |

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

| 4      1     236   | -236     *23         7      | 9    8   5 |

| 36789  789   3689  |  3468     5          3689   | 2    34  1 |

| 23589  589   23589 |  1-2348   1-2-3489  *2389   | 6    34  7 |

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

| 25789  5789  4     |  2678     278       *25-6-8 | 578  1   3 |

| 578    6     1     |  9       *378       *35-8   | 578  2   4 |

| 2578   3     258   |  2478     2478       1      | 578  6   9 |

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



Continuous Nice Loop 5= r7c6 =2= r6c6 -2- r4c5 -3- r8c5 =3= r8c6 =5= r7c6 =2 => r46c4,r6c5<>2, r26c5<>3, r7c6<>6, r78c6<>8