Sudoku Solving Techniques — XY-wing & XY-Chain
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X-Chain - Sudopedia Mirror
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The Even MORE Powerful XY-Chain! / Sudoku Tutorial #28 - YouTube
Solving Techniques 13-XY-Chains | Sudoku Kyo free sudoku game
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Tips for how to find XY chains (no answer please) : r/sudoku
(1267)W(i1s2)5(68)(27)(14)39(68)39(68)41257(47)(127)5(27)3968(14)W(57)9(s1i4)32(s4i7)(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
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Someone please eli5 xy-chain? : r/sudoku
