#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); i++)

int main() {
	int N;
	cin >> N;
	vector<vector<int>> a(N, vector<int>(N));
	rep(i, N) rep(j, N) cin >> a[i][j];
	int e = -1;
	rep(i, N) {
		bool ye = true;
		rep(j, N) {
			if (a[i][j] == j && a[j][i] == j) continue;
			ye = false;
		}
		if (ye) e = i;
	}
	if (e == -1) {
		cout << "No" << endl;
		return 0;
	}
	bool ok = true;
	rep(i, N) {
		bool ye = false;
		rep(j, N) if (a[i][j] == e && a[j][i] == e) ye = true;
		if (!ye) ok = false;
	}
	rep(i, N) rep(j, N) rep(k, N) if (a[a[i][j]][k] != a[i][a[j][k]]) ok = false;
	if (ok) cout << "Yes" << endl;
	else cout << "No" << endl;
	return 0;
}