HoDoKu Solving Technique Index: Example for "Kraken Fish Type 1 (Chain 1)"

Solving Technique Example

Original sudoku:

..........3..7.8.98....315.9.8142............5..6...4.1.42........7....6.8...531.

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

:0370:2:...+8......3+1+57.8.98....315.9.8142......+3+5....5.+36...4.1.42+3....+3..7....6.8...531.:211 412 612 712 213 613 713 416 916 933 572 982 986 587 987:287:

The following representation can be pasted in most Sudoku programs:

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

| 467   259    59   | 8   1269  16  | 2467  2367   2347 |

| 246   3      1    | 5   7     46  | 8     26     9    |

| 8     24679  267  | 49  269   3   | 1     5      247  |

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

| 9     67     8    | 1   4     2   | 567   367    357  |

| 2467  12467  267  | 3   5     789 | 2679  26789  1278 |

| 5     127    3    | 6   89    789 | 279   4      1278 |

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

| 1     679    4    | 2   3     689 | 579   789    578  |

| 3     25     259  | 7   189   148 | 24    289    6    |

| 267   8      2679 | 49  69    5   | 3     1      247  |

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

Representation of the step:

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

|  467    259     59   | 8   *1269   16  |  2467   2367   B2347 |

| *246    3       1    | 5    7     *46  |  8      26      9    |

|  8      24679   267  | 49  *269    3   |  1      5      B247  |

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

|  9     A67      8    | 1    4      2   |  567    367    B357  |

| A2467   12467  A267  | 3    5      789 |  2679   26789   1278 |

|  5     *127     3    | 6    89     789 | *279    4      *1278 |

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

|  1      679     4    | 2    3      689 |  579    789    B578  |

|  3     C25     C259  | 7    189   *148 | *-24   C289     6    |

|  267    8       2679 | 49   69     5   |  3      1      B247  |

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



Kraken Fish Type 1:  => r8c7<>2

  Finned Franken X-Wing: 2 r6b2 c57 fr6c2 fr6c9

  r6c2 -2- ALS:r4c2,r5c13 -4- r2c1 =4= r2c6 -4- r8c6 =4= r8c7

  r6c9 -2- ALS:r13479c9 -8- ALS:r8c238 -2- r8c7