HoDoKu Solving Technique Index: Example for "Finned Jellyfish"

Solving Technique Example

Original sudoku:

......8...1.8.5..3..73..6.1.5.621...........473.................8..5.91..62..7...

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

:0312:9:...+1+6.8+7..1.8+75..3+8.73..6+51.5.621+7+3...+1+7..+5.473.+5..+1...+7........8.+25+691+7.62..7...:211 411 911 413 913 421 921 423 951 258 463 371 471 373 473 475 975 476 976 391 491 495 995:958 968:r2479 c1348 fr4c9

The following representation can be pasted in most Sudoku programs:

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

| 35   249  35  | 1   6    249 | 8    7     29   |

| 26   1    69  | 8   7    5   | 24   249   3    |

| 8    249  7   | 3   49   249 | 6    5     1    |

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

| 49   5    489 | 6   2    1   | 7    3     89   |

| 26   29   1   | 7   389  389 | 5    689   4    |

| 7    3    689 | 5   489  489 | 1    2689  2689 |

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

| 159  7    59  | 49  138  38  | 234  2468  2568 |

| 34   8    34  | 2   5    6   | 9    1     7    |

| 159  6    2   | 49  138  7   | 34   48    58   |

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

Representation of the step:

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

|  35   249   35  |  1   6    249 | 8     7       29   |

|  26   1    *69  |  8   7    5   | 24   *249     3    |

|  8    249   7   |  3   49   249 | 6     5       1    |

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

| *49   5    *489 |  6   2    1   | 7     3      #89   |

|  26   29    1   |  7   389  389 | 5     68-9    4    |

|  7    3     689 |  5   489  489 | 1     268-9   2689 |

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

| *159  7    *59  | *49  138  38  | 234   2468    2568 |

|  34   8     34  |  2   5    6   | 9     1       7    |

| *159  6     2   | *49  138  7   | 34    48      58   |

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



Finned Jellyfish: 9 r2479 c1348 fr4c9 => r56c8<>9