Easy Sudoku description

Also the elementary school children, is far from an easy problem to solve difficult problems, Sudoku problems of varying difficulty.

Sudoku is a complete suite of

Sudoku is a number from 1 to 9 to fill in the 9x9 grid. Overlapping rules to fill the numbers in each area should not be.

Sudoku in the area known as row, column, or 3x3 blocks of one means. Therefore, the numbers in each row do not overlap with each other, and each of the columns.

1-9 numbers in 3x3 blocks overlap should not be.