/**
 * ForNestedPractice
 */
public class ForNestedPractice {

    public static void main(String[] args) {

        for (int i = 1; i <= 6; i++) {
            for (int z = 0; z < i; z++) {
                System.out.print(" ");
            }

            for (int y = 6; y > i; y--) {
                System.out.print(i);
                // System.out.print(y);
            }

            System.out.println("");
        }
    }
}