#include <bits/stdc++.h>
using namespace std;
signed main(){
int n; cin >> n;
vector<vector<int>> posi(n, vector<int>(n, -1));
vector<vector<int>> p(n-1);
for(int i=0; i<n-1; i++){
for(int j=0; j<i+1; j++){
int x; cin >> x;
p[i].push_back(x);
posi[p[i][j]][i+1]= j;
}
}
// for(auto it: posi){
// for(auto vi: it)cout << vi << " ";
// cout << endl;
// }
vector<int> perm;
perm.push_back(0);
for(int i=1; i<n; i++){
// for(auto it: perm)cout << it << " ";
// cout << endl;
int k = 0;
if(posi[perm.back()][i]<(i+1)/2){
perm.push_back(i);
continue;
}
if(posi[perm[0]][i]<(i+1)/2){
int next = perm[0];
for(int j = 0; j<i-1; j++){
next = perm[j+1];
perm[j+1]= perm[j];
perm[j] =next;
}
perm.push_back(next);
perm[0]= i;
continue;
}
for(int j = 1; j < i-1; j++){
if(posi[perm[j]][i]<(i+1)/2&&posi[perm[j+1]][i]<(i+1)/2)k = j+1;
}
int next = perm[k];
for(int j = k; j<i-1; j++){
next = perm[j+1];
perm[j+1]= perm[j];
perm[j] =next;
}
perm.push_back(next);
perm[k]= i;
}
for(auto it: perm)cout << it << " ";
}
