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  1. Apr 30, 2024 · Whenever you solve a square, double-check the other candidates in the number’s row, column, and cell. Erase any notes you made that would violate the rule of one (there can only be one instance of a number in every row, column, and cell). This may give you even more hidden and naked singles.

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  2. Oct 16, 2024 · Try the X-wing technique on difficult puzzles. An X-wing is an advanced technique used to remove candidates in difficult puzzles. First, look for a row that contains the same candidate in two different spots. Then, find a parallel row that mirrors it and contains the same candidates in the same spots.

  3. Apr 3, 2024 · Strategy 1: Single Possibility Technique. Look for squares with only one possible number based on the existing numbers in the grid. These squares act as clues and provide a starting point for your solving journey. Fill in the single possibility and watch as the puzzle unfolds.

  4. The objective of Sudoku is to fill a 9x9 grid made of squares (shown above circled in blue) so that each row, each column, and each full 9x9 square use the numbers 1-9. While solving the sudoku puzzle you can only use each number one time in the square, column, and row.

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  5. The Rule of 45. Forty-five is a special number in Sudoku as it’s the sum of the digits 1-9. Therefore, in a solved Sudoku puzzle, each row, column, and 3×3 block will sum to 45. Where knowing the Rule of 45 becomes helpful with solving puzzles is when you’re playing variants such as Killer Sudoku or Sandwich Sudoku.

  6. 10) Don’t guess – use the process of elimination. Our last Sudoku tip is simple: Remember that Sudoku is a puzzle of logical deduction that uses the process of elimination to arrive at an unique solution. That means you never have to guess when solving a Sudoku. Instead, remain patient and think about the puzzle in front of you logically ...

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  8. This 111 steps video provides a quick and easy way to understand how Sudoku puzzles should be solved. The video presents a Classic Sudoku 9x9 puzzle being so...

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    • Conceptis Puzzles
  1. Small-sized Sudoku books for easy fun on the go! Travel-sized Sudoku books for easy fun on the go!

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