using System;

public class Hello
{
    static void Main()
    {
        var t = int.Parse(Console.ReadLine().Trim());
        while (t-- > 0)
        {
            var n = int.Parse(Console.ReadLine().Trim());
            string[] line = ("0 " + Console.ReadLine().Trim()).Split(' ');
            var a = Array.ConvertAll(line, int.Parse);
            getAns(n, a);
        }
    }
    static int[] change(int n, int t)
    {
        var a = new int[2 * n + 1];
        var b = new int[2 * n + 1];
        for (int i = 1; i <= n; i++)
        {
            a[i] = i; a[i + n] = i;
            b[i] = i; b[i + n] = i;
        }
        var p = t + n - 1;
        var imax = p;
        for (int i = t + 1; i <= imax; i++) a[i] = b[p--];
        return a;
    }
    static bool check(int n, int[] a, int t)
    {
        var ok = true;
        for (int i = 1; i <= n; i++)
            if (a[i] != a[i + n]) { ok = false; break; }
        if (ok) return true;
        var b = change(n, t);
        for (int i = 1; i <= 2 * n; i++)
        {
            if (a[i] != b[i]) return false;
        }
        return true;
    }
    static void getAns(int n, int[] a)
    {
        var k = 0;
        for (int i = 1; i <= n; i++)
            if (a[i] == a[i + n]) { k = i; break; }
        if (k <= 0) { Console.WriteLine("No"); return; }
        Console.WriteLine(check(n, a, k) ? "Yes" : "No");
    }
}