#include "bits/stdc++.h"
#define rep(i, a, n) for (auto i = a; i <= (n); ++i)
#define revrep(i, a, n) for (auto i = n; i >= (a); --i)
#define all(a) a.begin(), a.end()
#define sz(a) (int)(a).size()
template<class T> bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<class T> bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; }
using namespace std;

void debug_out() { cerr << endl; }
template<class H, class... T> void debug_out(H h, T... t) {
	cerr << " " << to_string(h);
	debug_out(t...);
}
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]: "; debug_out(__VA_ARGS__)

using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;
using vvi = vector<vi>;


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

	int n;
	while (cin >> n) {
		vector<string> ss(n);
		for (auto &s: ss) cin >> s;
		vi vec{0};
		rep(v, 1, n - 1) {
			int found = sz(vec);
			rep(i, 0, sz(vec) - 1) {
				int x = vec[i];
				if (ss[v][x] == '1') {
					found = i;
					break;
				}
			}
			vec.insert(vec.begin() + found, v);
		}
		for (auto x: vec) printf("%d ", x + 1);
		puts("");
	}
	return 0;
}