HoDoKu Solving Technique Index: Example for "Siamese Sashimi Jellyfish"

Solving Technique Example

Original sudoku:

.3.8...7..48...1....745..69...74.951..4......7...2........1.....25.7...36.....7..

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

:0322:8:+53+68+9+1.7.+948+2+6+71+3+5+2+1745+3+869+3.+274.951..4.....+77...2.....+7..1.+5...25.7...36.....7..::851 892:r4678 c16892689 fr4c2 fr6c2 fr7c1 fr8c1

The following representation can be pasted in most Sudoku programs:

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

| 5    3     6   | 8      9   1     | 24   7      24   |

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

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

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

| 3    68    2   | 7      4   68    | 9    5      1    |

| 18   5689  4   | 13569  38  5689  | 236  28     7    |

| 7    5689  19  | 13569  2   5689  | 346  48     468  |

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

| 48   7     39  | 369    1   24689 | 5    2489   2468 |

| 148  2     5   | 69     7   4689  | 46   1489   3    |

| 6    89    139 | 359    38  24589 | 7    12489  248  |

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

Representation of the step:

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

|  5     3     6   | 8      9    1     | 24    7       24   |

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

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

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

|  3    #68    2   | 7      4   *68    | 9     5       1    |

|  1-8   5689  4   | 13569  38   5689  | 236   28      7    |

|  7    #5689  19  | 13569  2   *5689  | 346  *48     *468  |

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

| #48    7     39  | 369    1   *24689 | 5    *2489   *2468 |

| #148   2     5   | 69     7   *4689  | 46   *1489    3    |

|  6    -89    139 | 359    38   24589 | 7     12489   248  |

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



Siamese Sashimi Jellyfish: 8 r4678 c1689/c2689 fr4c2 fr6c2 fr7c1 fr8c1 => r5c1,r9c2<>8