/*
 * KURUK14.cpp
 *
 *  Created on: Jun 21, 2014
 *      Author: Arpit Bhayani
 */

#include <cstdio>
#include <cstdlib>
#include <iostream>

using namespace std;

#define DEBUG 0
#define gc getchar
#define ll long long

void scanint(ll int &x) {
    register ll int c = gc();
    x = 0;
    for (; (c < 48 || c > 57); c = gc())
        ;
    for (; c > 47 && c < 58; c = gc()) {
        x = (x << 1) + (x << 3) + c - 48;
    }
}

int readline(char * str) {

    int i = 0;
    char ch;
    while ((ch = getchar()) != '\n') {
        str[i++] = ch;
    }
    str[i] = '\0';
    return i;
}

int main(int argc, char * argv[]) {

    int t;
    scanf("%d", &t);
    while (t--) {
        int n, x;

        scanf("%d", &n);

        int * array = (int *) calloc(n, sizeof(int));

        for (int i = 0; i < n; i++) {
            scanf("%d", &x);

            if (array[x] == 0) {
                array[x] = 1;
            } else if (array[x] == 1 && array[n - 1 - x] == 0) {
                array[n - 1 - x] = 1;
            }

        }

        int i = 0;
        for (i = 0; i < n; i++) {
            if (array[i] == 0) {
                break;
            }
        }

        if (i == n) {
            printf("YES\n");
        } else {
            printf("NO\n");
        }

        free(array);

    }
    return 0;
}