WebFor the finned x-wing as shown in the screenshot, how come we can't also eliminate the 3 in R4C4? If R4C5 or R5C5 must be a 3, couldn't we eliminate it because it intersects both? ... This will apply to any cell that can see two cells of the wing and the fin. For example, if r5c6 could have been 3, the finned x-wing would eliminate the 3 there ... WebFinned X-Wing Size 2 Finned Swordfish Size 3 Finned Jellyfish Size 4 How it works. Here is an example of a Finned X-Wing: The four cells marked X would be an X-Wing if the candidate in the cell marked F were …

Confused about finned X-wing : sudoku - Reddit

http://littlegogs.com/analyses/rcdoubles.shtml WebRows and Columns (Double) - FINNED: In this second example of the 'Sushimi Finned X-Wing', the missing corner of the basic arrangement is J8, with an extra 'fin' (on J7). The logic is as follows: If A8 IS a 3, then clearly G8 and H8 cannot be a 3. But if A8 is NOT a 3, then A4 must be a 3, in which case J4 cannot be a 3, so J7 must be a 3. trehest straff

Sudoku Solver - Finned X-Wing

WebHoDoKu - Sudoku for addicts: Show Example. HoDoKu Solving Technique Index: Example for "Finned X-Wing" Original sudoku: WebA Finned X-Wing occurs when there is a X-Wing with additional candidates. In the sudoku diagram below, either in the R4C3 or R5C3 cells (marked in yellow) you can place the digit 6 or you have the X-Wing pattern, i.e. in … WebMar 13, 2006 · For example, in this Whale, assuming (2,9)5 one sees that all occurrences of 5 in rows 1,3,5,6,7,8 are in columns 1,2,3,4,6. But entirely equivalent is the statement that all occurrences of 5 in columns 5,7,8 are in rows 4,9 (always assuming (2,9)5). So a finned Whale is the same thing as a finned Swordfish. trehgfuio