Simplest form of the WXYZ-Wing Similar to the XYZ-Wing, the pivot has the candidates WXYZ. In all possible options for the pivot cell, Z will be eliminated from the starred cells. Extended form of the WXYZ-Wing The idea from the extended form of the WXYZ-Wing comes from the followin...
Then for any digit X that is a common candidate for A and B, we can eliminate X from any cell that sees all cells belonging to either A or B and having X as a candidate. Observe that this technique is very similar to XY-Wing, and hence its name. The similarity can be illustrated ...
X Wing Swordfish XY Wing (aka Y Wing) >> use checkboxes to track your progress. Sudoku Tips and Tricks While it relies heavily on logic and reasoning, there are certain tips and tricks that can make solving these puzzles more manageable and enjoyable. Start Simple If you're new to Sudoku...
To offset this, Sudoku players often use "pencil marks" as a memory aid. 16 Pencil Marks Pencil marks are just that. We use a pencil to write in the possible candidate numbers for each cell. To illustrate, let's continue to use the same game we started in the prior lesson. 539 ...
on a road trip to the South where he hopes to reclaim his soul at the crossroads where he signed a deal with the devil. It’s a learning experience for young Eugene, who must put his lessons to use when it turns out the crossroads story was real and he’s forced to battle the devi...
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WS Writer to the Signet WS Work Server WS Wally Szczerbiak (basketball player) WS Written Submission WS Weighted Stego Image WS World Senior WS Wing Support WS Watchtower Society (Jehovah's Witnesses) WS Wave Shape WS Will Shortz (creator of popular wordless crossword puzzle Sudoku) WS World...
Have you ever wondered how sudoku masters fly through a puzzle so fast when it feels like it takes you forever? Deducing which numbers fit in the grid can take up a lot of time, but by using a few simple strategies, you can learn to finish sudoku puzzles even faster than before. Keep...