Tectonic : Technique XY-Chain » Sudoku Megastar
Someone please eli5 xy-chain? : r/sudoku
Jet Sudoku
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SudokuWiki.org - XY-Chains
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Expert Sudoku Strategy XY-Chain Explained - YouTube
(1267)W(i1s2)5(68)(27)(14)39(68)39(68)41257(47)(127)5(27)3968(14)W(57)9(s1i4)32(47)(18)6(158)(123)(12)895674(13)(567)(67)(34)(47)1892(35)(29)461(78)53(79)(28)(23)87(246)9(234)51(246)(1239)5(123)(2468)(678)(234)(48)(79)(2468) "Techniques: Forcing Chains - Sudoku Of The Day")
Techniques: Forcing Chains - Sudoku Of The Day
Cycling Blindfolded with the Guide | Systematic Sudoku
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The Remote Pair – A Special XY-Chain | Systematic Sudoku
XY-Chain Practice board. Can you find it?, Link in comments : r/sudoku
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Nice Loop , How to solve sudoku puzzles - Solving sudoku strategy
Systematic Sudoku | Human engineered Sudoku solving | Page 13
Sudoku XY Chain
HoDoKu: Solving Techniques - Chains and Loops
