/**
 * Created by Vasil on 11/24/2017.
 */
public class square {

    public static void main(String[] args) {


        int leftPartStart = 1;
        int rightPartEnd = 0;

        for (int row = 0; row <= 9; row++) {

            for (int col = leftPartStart; col <= 9; col++) {
                System.out.print(col + " ");
            }

            for (int col = 0; col <= rightPartEnd; col++) {
                System.out.print(col + " ");
            }

            System.out.println();

            leftPartStart++;
            rightPartEnd++;
        }
    }
}