#include <bits/stdc++.h>
    #define int int64_t

    using namespace std;

    int32_t main() {
        int q;
        cin >> q;
        while(q--){
            int a, b, k;
            cin >> a >> b >> k;
            int m[k], g[k];
            vector<vector<int>> cnt_a(a + 1), cnt_b(b + 1);
            map<pair<int, int>, vector<int>> cnt_all;
            for(int i = 0; i < k; i++){
                cin >> m[i];
                cnt_a[m[i]].push_back(i);
            }
            for(int i = 0; i < k; i++){
                cin >> g[i];
                cnt_b[g[i]].push_back(i);
                cnt_all[{m[i], g[i]}].push_back(i);
            }
            int ans = 0;
            for(int i = 0; i < k; i++){
                ans += k - i  - 1 + (upper_bound(cnt_a[m[i]].begin(), cnt_a[m[i]].end(), i) - cnt_a[m[i]].begin()) - cnt_a[m[i]].size() + (upper_bound(cnt_b[g[i]].begin(), cnt_b[g[i]].end(), i) - cnt_b[g[i]].begin()) - cnt_b[g[i]].size() - (upper_bound(cnt_all[{m[i], g[i]}].begin(), cnt_all[{m[i], g[i]}].end(), i) - cnt_all[{m[i], g[i]}].begin()) + cnt_all[{m[i], g[i]}].size();
            }
            cout << ans << '\n';
        }
    }