public class SudokuGenerator {
    public static int[][] generateGrid() {
        int[][] grid = {
            {0, 0, 0, 9, 0, 5, 0, 0, 4},
            {5, 0, 3, 0, 0, 4, 0, 8, 7},
            {0, 0, 0, 7, 0, 0, 6, 0, 3},
            {9, 0, 0, 0, 3, 4, 0, 8, 0},
            {0, 4, 0, 0, 1, 0, 0, 7, 0},
            {0, 2, 0, 5, 7, 0, 0, 0, 6},
            {4, 0, 9, 0, 0, 2, 0, 0, 0},
            {6, 0, 7, 9, 0, 3, 0, 2, 1},
            {2, 0, 0, 6, 5, 0, 0, 0, 0}
        };

        return grid;
    }
}