#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
auto ask = [&](vector<int> x){
cout<<x.size()<<"\n";
for (int i: x){
cout<<i<<" ";
}
cout<<"\n";
cout.flush();
int f; cin>>f;
return f;
};
auto get = [&](int l, int r){
vector<int> x;
for (int i = l; i <= r; i++){
x.pb(i);
}
return ask(x);
};
int n; cin>>n;
vector<int> a(n + 1);
auto f = [&](int l, int r){
set<int> st;
for (int i = l; i <= r; i++){
st.insert(a[i]);
}
return (int) st.size();
};
int cc = 0;
for (int i = 1; i <= n; i++){
if (i == 1|| get(1, i) != f(1, i - 1)){
a[i] = ++cc;
continue;
}
int l = 1, r = i - 1;
while (l + 1 < r){
int m = (l + r) / 2;
if (get(m, i) == f(m, i - 1)){
l = m;
}
else {
r = m - 1;
}
}
if (get(r, i) == f(r, i - 1)) l = r;
a[i] = a[l];
}
for (int i = 0; i <= n; i++){
cout<<a[i]<<" ";
}
cout<<"\n";
}
