public class Grid
{
    private static final int MAX = 500; // 500 not revealed
    private int[][] data;

    public Grid(int r, int c) // not revealed
    {
        data = new int[r][c];
        repopulate();
    }

    public void repopulate()
    {
       /* Your code here */
    }

    public boolean isDecreasingCol(int col)
    {
       /* Your code here */
    }

    public void print(){
        System.out.println();  
        for(int[] row:data){
            for(int cell: row){
                System.out.print (cell + " ");
            } 
            System.out.println();  
        }
        System.out.println();  
    }
}