#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for (int i = (a), _b = (b); i <= _b; i++)
#define FORD(i, b, a) for (int i = (b), _a = (a); i >= _a; i--)
#define REP(i, n) for (int i = 0, _n = (n); i < _n; i++)
#define BIT(i, x) (((x) >> (i)) & 1)
#define MK(i) (1LL << (i))
#define all(v) v.begin(), v.end()
#define sz(v) ((int)v.size())
#define F first
#define S second
#define name "CEOI14_carnival"
template <class t> bool maxi(t &x, t const &y)
{
return x < y ? x = y, 1 : 0;
}
template <class t> bool mini(t &x, t const &y)
{
return x > y ? x = y, 1 : 0;
}
#ifdef LOCALONLY
struct Jury
{
static int const N = 167;
// static int const QRLIM = 3500;
int QRLIM;
int n;
int a[N];
bool mark[N];
int cnt = 0;
void Init(int _n = 0)
{
n = _n;
QRLIM = n * 24;
FOR(i, 1, n) cin >> a[i];
}
int Query(vector<int> v)
{
// assert(++cnt <= QRLIM);
int res = 0;
for (auto &i : v) if (!mark[a[i]])
{
mark[a[i]] = true;
res++;
}
for (auto &i : v) mark[a[i]] = false;
return res;
}
void Answer(int res[])
{
FOR(i, 1, n) FOR(j, 1, i - 1)
assert((a[i] == a[j]) == (res[i] == res[j]));
}
} jury;
#endif // LOCALONLY
int const N = 167;
int const BK = 12;
int const GR = N / BK + 5;
int bkId[N], bkL[N], bkR[N];
int sz[GR];
int n;
int c[N];
int cnt = 0;
void Init()
{
FOR(i, 1, n)
{
int id = bkId[i] = (i - 1) / BK + 1;
if (!bkL[id]) bkL[id] = i;
bkR[id] = i;
}
}
int Query(vector<int> v)
{
#ifdef LOCALONLY
return jury.Query(v);
#endif // LOCALONLY
cout << sz(v) << ' ';
for (auto &x : v) cout << x << ' ';
cout << '\n' << flush;
int res; cin >> res;
if (res == -1) exit(0);
return res;
}
void Answer()
{
#ifdef LOCALONLY
return jury.Answer(c);
#endif // LOCALONLY
cout << "0 ";
FOR(i, 1, n) cout << c[i] << ' ';
cout << '\n' << flush;
}
int Find(int l, int r, int pos)
{
if (bkId[l] == bkId[r])
{
FOR(i, l, r) if (Query({i, pos}) == 1) return i;
return 0;
}
FOR(id, 1, bkId[r] - 1)
{
vector<int> v = {pos};
FOR(i, bkL[id], bkR[id]) v.push_back(i);
if (Query(v) == sz[id]) return Find(bkL[id], bkR[id], pos);
}
return Find(bkL[bkId[r]], r, pos);
}
bool Check(int l, int r, int pos)
{
FOR(i, l, r) if (c[i] == c[pos]) return false;
return true;
}
int main()
{
#ifdef LOCALONLY
freopen(name".inp", "r", stdin);
#endif // LOCALONLY
cin >> n;
Init();
#ifdef LOCALONLY
jury.Init(n);
#endif // LOCALONLY
FOR(i, 1, n)
{
int pos = Find(1, i - 1, i);
c[i] = pos ? c[pos] : ++cnt;
int id = bkId[i];
sz[id] += Check(bkL[id], i - 1, i);
}
Answer();
return 0;
}
