#pragma GCC optimize(3, "Ofast", "inline")
#include <iostream>
#include <bits/stdc++.h>
#define IOS ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
#define INF 0x3f3f3f3f
#define L_INF 0x7f3f3f3f3f3f3f3f
#define db cout << "debug\n";

using namespace std;
const int Mod = 998244353;
using ll = long long;
vector<int> e[1000005];
vector<vector<int>> sq(1000000 + 1);
map<int, int> ma;
map<int, int> tp;
void dfs(int u, int dep)
{
    // cout << u << ' ' << dep << '\n';
    if (!sq[u].empty())
    {
        tp[u]++;
        return;
    }
    for (auto v : e[u])
        dfs(v, dep + 1);
    return;
}
void solve()
{
    int n;
    cin >> n;

    for (int i = 1; i <= n + 1; i++)
        e[i].clear(), sq[i].clear();
    ma.clear();
    tp.clear();
    for (int i = 1; i <= n; i++)
    {
        int op;
        cin >> op;
        if (op == 1)
        {
            int len;
            cin >> len;
            for (int j = 1; j <= len; j++)
            {
                int x;
                cin >> x;
                sq[i].push_back(x);
            }
        }
        else
        {
            int x, y;
            cin >> x >> y;
            e[i].push_back(x);
            e[i].push_back(y);
        }
    }
    // cout << "SS\n";

    e[n + 1].push_back(n);
    dfs(n + 1, 0);
    for (auto vv : tp)
    {
        for (auto v : sq[vv.first])
        {
            // cout << vv.first << ' ' << ' ' << v << ' ' << vv.second << "\n";
            ma[v] += vv.second;
        }
    }
    ll sum = 0;
    ll mx = 0;

    for (auto v : ma)
    {

        sum += v.second;
        mx = max(mx, v.second * 1LL);
    }

    // cout << sum << " " << mx << '\n';
    if (mx > sum - mx)
    {
        cout << 2 * (sum - mx) << '\n';
    }
    else
    {
        cout << sum << '\n';
    }
}
int main()
{
    IOS;
// freopen("in.txt", "r", stdin);
// freopen("out.txt", "w", stdout);
#ifndef ONLINE_JUDGE
    clock_t start_time = clock();
#endif
    int t = 1;
    cin >> t;
    while (t--)
    {
        solve();
    }
#ifndef ONLINE_JUDGE
    cout << "Used " << (double)(clock() - start_time) << " ms" << endl;
#endif
    return 0;
}