package com.kietna.codeultimate;

import java.util.Scanner;

public class main {
    public static void main(String[] args){
       Scanner cin = new Scanner(System.in);
       int t = cin.nextInt();
       while(t > 0){
          int n = cin.nextInt();
          boolean flag = true;
          int arr[] = new int[100];
          for(int i = 0; i < n; i++){
              arr[i] = cin.nextInt();
          }
          for(int i = 0; i < n/2; i++){
              if(arr[i]!=arr[n-1-i]){
                  flag = false;
              }
          }
          if(flag){
              System.out.println("YES");
          }else{
              System.out.println("NO");
          }
          t = t - 1;
       }


    }
}