Sudoku -- Lite

Sudoku is a number-placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids contains all of the digits from 1 to 9. The puzzle generator creates a partially completed grid with unique solution. Modern Sudoku was designed anonymously by Howard Garns and first published in 1979 by Dell Magazines as Number Place. Popularity of…