You can select a number first in the Sudoku Online game so it's easy to learn "scanning" and select feather pen to mark numbers in places similar to dot notation.

How to solve Sudoku in a minute? A fast way to solve Sudoku is to "scan" Sudoku by rows and columns to search for cells with only one possible number.

In the picture, you can see at a glance that number 1 fits just in one cell in the center box.

Sudoku dot-notation is a convenient way to mark candidate numbers using just a dot instead of a number. Because dot is quick to mark (and scan), you can solve Sudoku puzzles much faster. In addition, a simple dot mark fits even on a small Sudoku grids.

The figure shows different numbers with a dot-notation, but where is the number 5?

Solve a Sudoku daily to refresh and improve your memory, at least it has been proven that solving Sudoku stimulates the associative memory of the brain.

Above all, Sudoku is fun and fun is good, isnâ€™t it?

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