#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ull = unsigned long long;

ll bum(vector<int>& ts, int f, int t) {
	if(ts.size() <= 1) return 0;
	if(t - f <= 1) return 0;
	vector<int> left;
	left.reserve(ts.size()/2);
	vector<int> right;
	right.reserve(ts.size()/2);

	int m = (f+t)/2;
	ll sm = 0;
	for(int a : ts) {
		if(a < m) {
			left.push_back(a);
			sm += right.size();
		}
		else right.push_back(a);
	}
	
	sm += bum(left, f, m);
	sm += bum(right, m, t);

	return sm;
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

	int n; 
	cin >> n;
	int m = 0; 
	vector<int> ps(n);
	vector<int> fs;
	for(int i = 0; i < n; ++i) {
		cin >> ps[i];
		vector<int> qs;
		qs.resize(ps[i]);
		for(int j = 0; j < ps[i]; ++j) {
			cin >> qs[j];
		}
		sort(begin(qs), end(qs));
		m += ps[i];
		for(int j = 0; j < ps[i]; ++j) {
			fs.push_back(qs[j]);
		}
	}

	cout << bum(fs, 0, n) << '\n';
	return 0;
}