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• Strand
  ...and strands in the / direction are identified with the letter '''Z'''. The number refers to the starting position, which can be '''1''' (top), '''2''' (middl
  1 KB (164 words) - 03:13, 20 January 2022
• Constraint
  ...way that all constraints are satisfied. The size of each house matches the number of available digits. In a standard Sudoku, there are 9 digits and each hous
  1,021 bytes (148 words) - 04:53, 31 May 2020
• Hidden Subset
  In a standard Sudoku, the maximum number of empty cells in a house is 9. There is no need to look for [[subset]]s la
  1 KB (203 words) - 19:18, 3 June 2020
• Main Page
  : How many different Sudoku grids exist? What is the minimum number of givens? Answers here.
  2 KB (231 words) - 15:04, 5 July 2023
• Braid Analysis
  ...of '''traveling pairs'''. These are formed because there is only a limited number of ways 3 digits can "travel" through a chute. ...d ways to be organized in a chute. From these limitations, we can deduce a number of rules concerning repeating pairs.
  7 KB (1,117 words) - 03:02, 20 January 2022
• Eureka
  Candidate digits are written as a prefix to the cell, with the digit number in parenthesis.
  2 KB (321 words) - 03:10, 4 June 2020
• X-Wing
  ...ns do not look as neat as the fish diagram. The grey areas can contain any number of candidates. Here is an example with several additional candidates:
  2 KB (320 words) - 03:31, 4 June 2020
• Terminology
  ; Big Number : Collective term for [[given]] and placed digits, as opposed to '''little number''' for [[pencilmark]]s.
  19 KB (2,734 words) - 02:19, 19 December 2022
• 45 rule
  ...deduced from the difference between the sum of the cages and 45 times the number of houses.
  2 KB (305 words) - 02:30, 4 June 2020
• Hidden Single
  * [http://www.playr.co.uk/sudoku/solving.hiddensingle.php Hidden Single Number] by ''Gaby Vanhegan''
  3 KB (348 words) - 05:10, 31 May 2020
• X-Chain
  ...g and ending link being strong. In other words, the chain involves an even number of [[cell]]s having the target [[digit]] as a [[candidate]]. The target dig
  2 KB (411 words) - 02:58, 4 June 2020
• Grouped Turbot Fish
  ...in a Turbot Fish, each group must be linked at both ends. This limits the number of places where groups can be found. They must be located in an [[intersect
  2 KB (456 words) - 03:35, 4 June 2020
• Cage combinations
  A [[Killer]] Sudoku contains [[cage]]s and cage sums. Knowing the number of [[cell]]s in a cage and its sum, we can determine the possible '''cage c
  2 KB (378 words) - 19:02, 31 May 2020
• Diagrams and Notations
  ...'k9''' notation often causes confusion regarding whether the letter or the number denotes the column, and whether the lettering goes from top to bottom or bo ...iques. In order to highlight the concept without getting lost in the large number of candidates in a typical grid, the digit is usually generically referred
  15 KB (1,710 words) - 04:26, 31 May 2020
• Pointing Pair
  Depending on the number of available candidates in the intersection, this technique is also known a
  3 KB (426 words) - 19:53, 31 May 2020
• Line-Box Interaction
  Depending on the number of available candidates in the intersection, this technique is also known a
  3 KB (428 words) - 05:26, 31 May 2020
• Locked Candidates
  Depending on the number of available candidates in the intersection, this technique is also known a
  3 KB (428 words) - 18:59, 31 May 2020
• Scramble
  The total number of permutations for any Sudoku is 1218998108160.
  3 KB (487 words) - 03:28, 20 January 2022
• Sudoku Websites
  ; [http://www.sachsentext.de/en/ Sudoku Variants and other Number Placements] : Contains puzzles of a large number of [[Sudoku Variants]].
  11 KB (1,640 words) - 02:28, 19 December 2022
• BUG
  ...value occurs exactly twice. If we can find a valid solution using half the number of remaining candidates, all the eliminated candidates would also satisfy e
  4 KB (638 words) - 20:38, 31 May 2020

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