What is the easiest way to solve a hard Sudoku puzzle?
What is the easiest way to solve a hard Sudoku puzzle?
How to Solve Hard Sudoku Puzzles
1 Use a pencil.
2 Note potential candidates in open squares.
3 Scan the board to process the puzzle.
4 Start with the obvious singles.
5 Revisit your candidates after you solve singles.
6 Identify naked or hidden pairs.
7 Move on to triples and quads.
How to Solve Hard Sudoku Puzzles
- 1 Use a pencil.
- 2 Note potential candidates in open squares.
- 3 Scan the board to process the puzzle.
- 4 Start with the obvious singles.
- 5 Revisit your candidates after you solve singles.
- 6 Identify naked or hidden pairs.
- 7 Move on to triples and quads.