import java.util.Scanner;
public class Main {
    static String check(int[] a, int n){
        for(int i=0;i<n;i++){
            if(a[i]!=a[n-i-1]) return "NO";
        }
        return "YES";
    }
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int t = sc.nextInt();
        for(int j=0;j<t;j++){
            int n = sc.nextInt();
            int[] a = new int[n];
            for(int i=0;i<n;i++){
                a[i] = sc.nextInt();
            }
            System.out.println(check(a,n));
        }
        sc.close();
    }
}