class MatrixCode {
 
	static int max(int x,int y)
	{
		if(x>y)
		{
			return x;
		}
		else
		{
			return y;
		}
	}
 
	static int min(int x,int y)
	{
		if(x<y)
		{
			return x;
		}
		else
		{
			return y;
		}
	}
 
 
	public static void main(String[] args) {
		// TODO Auto-generated method stub
 
 
		    int [][] x = {{1,2,3},{4,5,6},{7,8,9}};
		    int n= 3;
		    for(int i=0;i<2*n-1;i++)
		    {
		    	for(int j=max(i-(n-1),0);j<min(i,n-1);j++)
		    	{
		    		System.out.print(x[j][i] + " ");
		    	}
		    	System.out.println();
		    }
 
		}
 
	}
 

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