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"Y-Wing" technique is similar to "X-Wing", but it based on three corners instead of four. Let's take a look at this technique with an example. To start, we need to find a cell with exactly two notes. We'll call this cell a pivot. Then, we'll look for two more cells with 2 notes as well.
Y Wings are a fairly advanced Sudoku solving technique that allows you to eliminate candidates in particular rows or columns of the grid. This is why it’s known as a candidate eliminator strategy.
The "Y-Wing" method is pretty similar to the "X-Wing" method. The main difference is that it uses three corners instead of four. Let's take a look at an example. Let's find a cell with just two notes, 3 and 8. We'll call this cell the "pivot."
Below is an example of an XY Wing. Note how the 3 cells form a "Y" (see the red lines - it's really more like a "V"). The green cell is the middle, and the two blue cells are the "wings". XY Wing is sometimes just called "Y Wing". If you ask me, "V Wing" is more appropriate!
XY Wing (sometimes called Y Wing) is another advanced technique for eliminating candidates. It starts by finding a cell with only two candidates (a bi-value cell) called the pivot. These 2 candidates are called X and Y. In our sample - R5C5 is the pivot, X=6 and Y=9.
Y-Wing Example 1 : Load Example or : From the Start. I have found a superb 'tough' Sudoku puzzle with a sequence of five Y-Wings and this illustrates the full range of this strategy. The first three are pictured here but you can load the puzzle into the solver to see the remaining examples.
18 Απρ 2024 · Y-Wing is a technique that helps solve Sudoku puzzles by eliminating candidates in certain cells. The principle of the Y-Wing strategy is not difficult; the most challenging part is to identify the arrangement of cells containing the necessary candidates on the game board.
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σχετικά με: y wing sudoku example100% Sudoku Games to Play For Free in your Browser on PC, Tablet or Mobile
