#include <iostream>
#include <set>
#include <vector>

int basic(int n, const std::vector<std::vector<int>> & birds) {
    int res = 0;
    for (int a = 0; a < n; ++a)
        for (int birdA : birds[a])
            for (int b = a + 1; b < n; ++b)
                for (int birdB : birds[b])
                    if (birdA > birdB)
                        res++;
    return res;
}

int main() {
    int n;
    std::ios::sync_with_stdio(false);
    std::cin >> n;
    std::vector<std::set<int>> birds(n);
    for (int i = 0; i < n; ++i) {
        int b;
        std::cin >> b;

        for (int j = 0; j < b; ++j) {
            int en;
            std::cin >> en;
            birds[i].insert(en);
        }
    }

    int res = 0; // basic(n, birds);
    std::vector<int> crosses(n, 0);
    for (int pos = 0; pos < n; ++pos) {
        for (int bird : birds[pos]) {
            res += crosses[bird];
            for (int i = 0; i < bird; ++i)
                ++crosses[i];
        }
    }



    std::cout << res << std::endl;

    return 0;
}