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SudokuHints

Guides

  • Sudoku Hints

Tech Notes

  • Logical Rules for Solving a Sudoku
  • Representation of a Sudoku
  • String Representation of a Sudoku

Symbols

  • BackTracking
  • bla
  • CandidateSet
  • CellSize
  • Clues
  • ColoredCells
  • ColoredGroupColor
  • ColoredGroups
  • CommonCellColor
  • ConjugateLists
  • DiskCells
  • Disks
  • DoubleCandidate
  • DoubleCandidate
  • EditClues
  • EditColoredGroups
  • EditLineGroups
  • EditOutlinedGroups
  • EditSudoku
  • EnterClues
  • EnterSudoku
  • ExcludeCommonCells
  • ExportSudoku
  • ExtendSudoku
  • ExtraBlockCellColor
  • ExtraBlocks
  • GenerateSudokus
  • HiddenPair
  • HiddenPairs
  • HiddenQuadruple
  • HiddenQuadruples
  • HiddenSingle
  • HiddenSingles
  • HiddenTriple
  • HiddenTriples
  • Hints
  • IncludeCandidates
  • LineGroups
  • LockedCandidates
  • MaxClues
  • MaxSolutions
  • MaxSteps
  • MonitorSteps
  • NumericalString
  • OutlinedGroups
  • Pair
  • Pairs
  • QuadrupleCandidate
  • Quadruple
  • ReduceClues
  • ReduceSudoku
  • SetDisplay
  • SetDisplayOptions
  • SetSdokuOptions
  • SetSudokuOptions
  • ShowCandidates
  • ShowInfo
  • Single
  • Singles
  • SolveSudoku
  • SudokuFromString
  • SudokuHints
  • SudokuInfo
  • Sudoku
  • SudokuToString
  • SwordFish
  • ThreeGroups
  • TripleCandidate
  • Triple
  • Triples
  • XRule
  • XXXMaxSteps
  • XYChain
  • XYZWing
  • YWing
  • ZZZExtraBlocks
  • ZZZLockedCandidates
  • $AllRules
  • $Sudoku
FredSimons`SudokuHints`
Pair
​
Pair
[sudoku,pos]
shows the reductions at the given position due to a pair.
​
Details and Options

Examples  
(1)
Basic Examples  
(1)
In[1]:=
Pair
["DlSQ0!WvI#@WnktS@GfPNh$vfFa0oPGGJq5bzK3M33PG",{1,4}]
Out[1]=
Contents cannot be rendered at this time; please try again later or download this notebook for full functionality »
Pair-78: R1C4(3), R1C5(1,2,3,9), R2C1(2,9), R2C5(1,2,9), R2C7(4,6,9), R2C8(1,6,9), R2C9(2,4,9), R3C5(2,3,9)
The only candidates in row 2 (or block 2) in the two yellow cells R2C4 and R2C6 are 7 and 8, so they have to be placed there. Therefore the candidates 7 and 8 can be removed from all cells that see this pair, the green cells.
SeeAlso
Hints
 
▪
SudokuInfo
 
▪
$AllRules
TechNotes
▪
Logical Rules for Solving a Sudoku
RelatedGuides
▪
Sudoku Hints
""

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