/* Maryam Shaheen #1140427 */
public class Task_1
{ // the First Task (Display numbers in a pyramid pattern using for nested loops )
	
  public static void main (String[] args)
  {
	  int line,j,k,L; // defining variables 
	 
	    for ( line = 0; line < 8; line++)
	    { // A loop for number of lines 
	        for ( L = 8 - line; L > 0; L--) 
	        { // A loop for printing spaces 
	            System.out.print("    "); // space printing statement
	        }
	        for (j = 0; j <= line; j++) 
	        { // A loop for the left side of the pyramid
	            System.out.printf("%3d ", 1 << j); // printing statement to print the left side numbers  
	        }
	        for ( k = line - 1; k >= 0; k--)
	        { // A loop for the right side of the pyramid
	            System.out.printf("%3d ", 1 << k); //printing statement to print the right side numbers 
	        }
	        System.out.println(); //printing statement to print new line
	    }
  }
}