#include <iostream>
#include <vector>


int collide(int b1_start, int b2_start, std::vector<std::vector<int>>& positions) {
    
    int collisions = 0;
    for (int b1_dest : positions[b1_start]) {
        for (int b2_dest : positions[b2_start]) {
            if ((b1_dest > b2_dest)) {
                collisions++;
            }
        }
    }
    return collisions;
}



int main(){

    int n;
    std::cin >> n;

    std::vector<std::vector<int>> desiredPos;
    for (int i = 0; i < n; i++) {
        int birdsCount;
        std::cin >> birdsCount;
        std::vector<int> destinations;
        for (int j = 0; j < birdsCount; j++) {
            int dest;
            std::cin >> dest;
            destinations.push_back(dest);
        }
        desiredPos.push_back(destinations);
    }

    long sum = 0;
    for (int i = 0; i < n; i++) {
        for (int j = i + 1; j < n; j++) {
            sum += collide(i, j, desiredPos);
        }
    }

    std::cout << sum;

    return 0;
}