ACM Q482

import java.util.Scanner;
import java.util.Iterator;
import java.util.Collections;
import java.util.ArrayList;
import java.util.HashMap;

public class Q482 {
  public static void main(String args[]) {
    Scanner cin = new Scanner(System.in);
    int set =  Integer.parseInt(cin.nextLine());
    for(int i=0; i<set; i++){
      HashMap<Integer, String> numbers = new HashMap<Integer, String>();
      String empty = cin.nextLine();
      String index = cin.nextLine();
      String[] indexToken = index.split(" ");
      String content = cin.nextLine();
      String[] contentToken = content.split(" ");
      for(int j=0; j< indexToken.length; j++){
        numbers.put(Integer.parseInt(indexToken[j]),contentToken[j]);
      }
      ArrayList<Integer> as = new ArrayList<Integer>(numbers.keySet());
      Collections.sort(as);
      Iterator<Integer> itr = as.iterator();
      while(itr.hasNext()){
        int s = itr.next();
        System.out.println(numbers.get(s));
      }
      if(i!=set-1)
      System.out.println();
    }
  }
}