Interesting Pattern with single for loop!

Minimum loop required to print below Pattern (can be n*n).

4 4 4 4 4 4 4 
4 3 3 3 3 3 4 
4 3 2 2 2 3 4 
4 3 2 1 2 3 4 
4 3 2 2 2 3 4 
4 3 3 3 3 3 4 
4 4 4 4 4 4 4 

	import java.lang.Math;
	public class NxNPattern
	{
	public static void main(String[] args)
	{
	for (int i = 0, j = 0; i < 49; i++) {
	if (i % 7 == 0) {
	if (j > 0) System.out.println();
	j++;
	}
	int x = Math.abs(i % 7 - 3);
	int y = Math.abs(j - 4);
	if (x < y) System.out.print(y + 1);
	else System.out.print(x + 1);
	}
	}
	}

view raw NxNPattern.java hosted with ❤ by GitHub