#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;
using ld=long double;
ld pie=3.141592653589793;
ll inf=144494;
ll mod=1000000007;
int main(){
    ll n;
    cin >> n;
    vector<vector<ll>>a(n,vector<ll>(n));
    for (ll i = 0; i < n; i++)
    {
        for (ll j = 0; j < n; j++)
        {
            cin >> a[i][j];
            if (a[i][j]>=n)
            {
                cout << "No" << endl;
                return 0;
            }
        }
    }
    ll id=-1;
    for (ll i = 0; i < n; i++)
    {
        bool ok=false;
        for (ll j = 0; j < n; j++)
        {
            if (a[i][j]!=j)
            {
                ok=true;
                break;
            }
        }
        if (!ok)
        {   
            id=i;
        }
    }
    if (id==-1)
    {
        cout << "No" << endl;
        return 0;
    }
    for (ll i = 0; i < n; i++)
    {
        if (a[i][id]!=i)
        {
            cout << "No" << endl;
            return 0;
        }
        
    }
    
    for (ll i = 0; i < n; i++)
    {
        bool ok=false;
        for (ll j = 0; j < n; j++)
        {
            if (a[i][j]==id)
            {
                ok=true;
                break;
            }
        }
        if (!ok)
        {
            cout << "No"<< endl;
            return 0;
        }
    }
    for (ll i = 0; i < n; i++)
    {
        for (ll j = 0; j < n; j++)
        {
            for (ll k = 0; k < n; k++)
            {
                if (a[a[i][j]][k]!=a[i][a[j][k]])
                {
                    cout << "No" << endl;
                    return 0;
                }
            }
        }
    }
    cout << "Yes"<< endl;
}