Sudoku X Wing
3W8(15)6(124)W9(24)614W9237W(58)(58)98(25)W(15)74(12)W63(25)3(68)W(16)(148)(89)(2458)W7(24589)179W2(48)56W3(48)(25)4(68)W(67)3(789)(258)W1(2589)X8X(25)X1X(457)X9X(27)X3X(245)X6X3X9X7X(45)X6X(28)Y(2458)X(2458)X146(25)W3(58)19W(258)7 "Techniques: X-Wings - Sudoku Of The Day")
Techniques: X-Wings - Sudoku Of The Day
SudokuWiki.org - X-Wing Strategy
GC2BZDD Advanced Sudoku Strategies: X-Wing (Unknown Cache) in California, United States created by UncleTom (maintained by kindredlaugh)
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sudoku solving - x wing column variation - YouTube
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Advanced Sudoku Strategy X-Wing Explained - YouTube
Sudoku X Wing
SudokuWiki.org - X-Wing Strategy
Sudoku X Wing
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Dan Rice's Sudoku Blog: X-Wings
How To Identify Sudoku X-Wing Pattern - Sudoku Essentials
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HoDoKu: Solving Techniques - Wings (XY-Wing, XYZ-Wing, W-Wing)
How should I understand Sudoku skill Fish? - Quora
Jet Sudoku - Finned Fish
