#include <bits/stdc++.h>
using namespace std;
#define yes cout << "Yes\n"
#define no cout << "No\n"

bool check(vector<int> &A, vector<int> &B, int n)
{
    for (int i = 1; i < n - 1; i++)
    {
        if (!((A[i] > B[i - 1] && A[i] > B[i + 1]) || (B[i] > A[i - 1] && B[i] > A[i + 1])))
        {
            return false;
        }
    }
    return true;
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    int t;
    cin >> t;
    while (t--)
    {
        int n;
        cin >> n;
        vector<int> A(n), B(n);
        for (int i = 0; i < n; i++)
            cin >> A[i];
        for (int i = 0; i < n; i++)
            cin >> B[i];

        sort(A.begin(), A.end());
        sort(B.begin(), B.end());

        vector<int> A1 = A, B1 = B;
        vector<int> A2 = B, B2 = A;

        if (n <= 2 || check(A1, B1, n) || check(A2, B2, n))
        {
            yes;
        }
        else
        {
            no;
        }
    }
    return 0;
}