About Sudoku

Sudoku rules + solving strategies

Sudoku is simple to learn and requires no calculations.

  • To solve a Sudoku puzzle every number from 1 to 9 must appear in: each of the nine vertical columns, each of the nine horizontal rows, each of the nine 3×3 boxes
  • The objective is to place a number from 1 to 9 in each empty cell so that each row, each column and each 3×3 block contains all the numbers from 1-9.
  • No number can appear twice in any row, column or block.
  • In JANRIC Classic Sudoku Bronze puzzles, you may be able to see straight away where a particular number should go.
  • Scanning the puzzle for pairs of numbers in rows, columns and blocks is a great way to see where a number is missing.
  • Focus on one particular blank square at a time. Scan its row, column and block. Any numbers that already appear cannot be used to fill in the blank.
  • Write the possible number options lightly into each square and soon you will be able to eliminate certain numbers.
  • Continue filling the numbers until every square is filled and the column, row and blocks all contain numbers 1-9.
  • Remember no number can occur more than once in any row, column or block
  • JANRIC Classic Sudoku puzzles can take anywhere from a few minutes to an hour to complete a JANRIC Enterprises Classic Sudoku Gold puzzle.
  • JANRIC puzzles for your readers

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