The trick to spotting X-Wings is to look for the rectangles of possible candidates. If you find four candidates on the corners of a rectangle, check to see if they are an X-Wing for both rowsandcolumns – that might save you some extra time! Some more examples X-Wing in rows for 8...
X Wing Swordfish XY wing or Y wing to solve some seriously extreme sudoku puzzles or in their notorious name - evil Sudoku... The LiveSudoku game features If you are a frequent user here you probably know the great ease in which the game is set in our sudoku kingdom. For you the...
Sudoku X-wing look for 4 cells with the possible same digit that create the shape of an X. See image below: Go to the x-wing tutorial Sudoku swordfish The same principle of the x-wing method only this time isolate 3 columns with the same possible digit. See image below: Go to the ...
X-Wing技巧是另一种高级的数独解题策略,用于解决某个数字在不同行和不同列的可能位置只有两个时的情况。通过应用X-Wing技巧,可以进一步减少未知数字的可能性,加快解题进程。 1.发现X-Wing模式: -找出某个数字在每行的可能位置; -如果某数字在两行上只出现在两列上; -在另外两行上同样的列上也只有该数字; ...
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Your Daily Dose of Sudoku DAILY CONTEST PRACTICE ZONE RATINGS Latest blog posts read more Advanced Techniques: X-Wing Rishi Puri | 12 Nov, 2022 | 22 min Basic Techniques: Pairs Rishi Puri | 22 May, 2022 | 12 min Basic Solving Techniques of Sudoku ...
X-Wing是一个高级技巧,在一些比较复杂的题目里可以非常有效的去除候选数。 如果一个数字正好出现且只出现在某两行的相同的两列上,则这个数字就可以从这两列上其他的单元格的候选数中删除。 当然,同样的情形也会出现在列中,也就是说,如果一个数字正好出现且只出现在某两列的相同的两行上,则这个数字就可以从...
Fish (X-Wing)/Swordfish/Jellyfish In this technique you need to find an option for 2 columns that only valid on intersection with 2 rows and nowhere else on those 2 columns, but valid somewhere else on those 2 rows (see example). In this case the option can be removed from any other...
6. X-Wing This method can work when you look at cells comprising a rectangle, such as the cells marked in red. In this example, let’s say that the red and blue cells all have the number 5 as candidate numbers. Now, imagine if the red cells are the only cells in columns 2 and ...
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