#include <iostream>
#include <vector>

using namespace std;

int main()
{

    int crossings = 0;
    int n;
    cin >> n;
    vector<vector<int>> lines(n);

    for (size_t i = 0; i < n; i++)
    {
        int x;
        cin >> x;

        for (size_t j = 0; j < x; j++)
        {
            int y;
            cin >> y;
            lines[i].push_back(y);
        }
    }

    for (size_t i = 0; i < n; i++)
    {
        for (size_t k = 0; k < lines[i].size(); k++)
        {

            int des = lines[i][k];
            for (size_t j = 0; j < i; j++)
            {
                for (size_t l = 0; l < lines[j].size(); l++)
                {
                    if (lines[j][l] > des)
                    {
                        ++crossings;
                    }
                }
            }
        }

    }
    cout << crossings;
}