View Code of Problem 2592

import java.util.*;
public class Main {
	public static void main(String[] args) {
		Scanner in =new Scanner(System.in);
		int t =in.nextInt();
		for(int i = 0;i<t;i++) {
			String s =in.next();
			int line = in.nextInt();
			String[][] sanjiao =new String[line][2*line-1];
			int left=line-1;
			int right=line-1;
			for(int j =0;j<line-1;j++) {
				sanjiao[j][left]=s;
				sanjiao[j][right]=s;
				left--;
				right++;
			}
			//System.out.println();
			for(int j =0;j<line-1;j++) {
				for(int l =0;l<sanjiao[j].length;l++) {
					if(sanjiao[j][l]==null) {
						System.out.print(" ");
					}else {
						System.out.print(sanjiao[j][l]);
					}
				}
				System.out.println();
			}
			for(int j =0;j<2*line-1;j++) {
				System.out.print(s);
			}
			System.out.println();
		}
	}
}