public class Data
{
    public static final int MAX = 100;    
    private int[][] grid;
    
    public Data()
    {        
        grid = new int[5][5];
    }
    
    public void repopulate()
    {
        //add code for part A
    }
    
    public int countIncreasingCols()
    {
        int cnt = 0;
        //add code for part B
        return cnt;
    }
    
    public String toString()
    {
        String s = "";
        for( int[] r : grid )
        {
            for( int v : r )
                s = s + v + " ";
            s += "\n";
        }
        return s;
    }
}