View Code of Problem 2592

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        int t=Integer.parseInt(scanner.nextLine());
        while(t-->0){
            String[] s=scanner.nextLine().split(" ");
            int length=Integer.parseInt(s[1]);
            for(int i=1;i<=length;i++){
                for(int j=1;j<=length-i;j++){
                    System.out.print(" ");
                }
                if(i==1||i==length){
                    for(int k=1;k<=2*i-1;k++){
                        System.out.print(s[0]);
                    }
                }
                else{
                    System.out.print(s[0]);
                    for(int k=2;k<=2*i-2;k++){
                        System.out.print(" ");
                    }
                    System.out.print(s[0]);
                }
                System.out.println();
            }
        }
    }
}