#include <vector>
#include <iostream>
using namespace std;
int ask(int L, int R) {
cout << R - L;
for (int i = L; i < R; ++i) {
cout << ' ' << i + 1;
}
cout << endl;
int x;
cin >> x;
return x;
}
int main() {
int N;
cin >> N;
vector<int> C(N);
int cnt = 0;
for (int i = N - 1; i >= 0; --i) {
int L = i + 1, R = N + 1;
while (R - L > 1) {
int M = (L + R) >> 1;
int r1 = ask(i, M);
int r2 = ask(i + 1, M);
if (r1 != r2) L = M;
else R = M;
}
if (R != N + 1) C[i] = C[R - 1];
else C[i] = ++cnt;
}
cout << 0;
for (int i = 0; i < N; ++i) {
cout << ' ' << C[i];
}
cout << endl;
return 0;
}
