func_code_string: #include <bits/stdc++.h>   using namespace std;   template <typename T>   struct Point {    public:     T x, y;     Point() : x(0), y(0) {}     Point(T x_, T y_) : x(x_), y(y_) {}     template <typename U>     explicit Point(const Point<U>& p) : x(p.x), y(p.y) {}     Point(const std::pair<T, T>& p) : x(p.first), y(p.second) {}     Point(const std::complex<T>& p) : x(real(p)), y(imag(p)) {}     explicit operator std::pair<T, T>() const { return std::pair<T, T>(x, y); }     explicit operator std::complex<T>() const { return std::complex<T>(x, y); }     friend std::ostream& operator<<(std::ostream& o, const Point& p) {       return o <<  (  << p.x <<  ,  << p.y <<  ) ;     }     friend std::istream& operator>>(std::istream& i, Point& p) {       return i >> p.x >> p.y;     }     friend bool operator==(const Point& a, const Point& b) {       return a.x == b.x && a.y == b.y;     }     friend bool operator!=(const Point& a, const Point& b) { return !(a == b); }     friend bool operator<(const Point& a, const Point& b) {       return (a.x != b.x ? a.x < b.x : a.y < b.y);     }     friend T norm(const Point& a) { return a.x * a.x + a.y * a.y; }     friend T abs(const Point& p) { return std::hypot(p.x, p.y); }     friend T unit(const Point& a) {       if (a == Point()) return a;       return a / abs(a);     }     friend Point conj(const Point& a) { return Point(a.x, -a.y); }     friend Point perp(const Point& a) { return Point(-a.y, a.x); }     friend long double arg(const Point& p) { return atan2(p.y, p.x); }     friend Point dir(long double angle) { return Point(cos(angle), sin(angle)); }     Point& operator+=(const Point& p) {       x += p.x, y += p.y;       return *this;     }     Point& operator-=(const Point& p) {       x -= p.x, y -= p.y;       return *this;     }     Point& operator*=(const T& t) {       x *= t, y *= t;       return *this;     }     Point& operator/=(const T& t) {       x /= t, y /= t;       return *this;     }     Point& operator*=(const Point& t) {       Point res = Point(x, y) * t;       x = res.x, y = res.y;       return *this;     }     Point& operator/=(const Point& t) {       Point res = Point(x, y) / t;       x = res.x, y = res.y;       return *this;     }     friend Point operator+(const Point& a, const Point& b) {       return Point(a.x + b.x, a.y + b.y);     }     friend Point operator-(const Point& a, const Point& b) {       return Point(a.x - b.x, a.y - b.y);     }     friend Point operator*(const Point& a, const T& t) {       return Point(a.x * t, a.y * t);     }     friend Point operator*(const T& t, const Point& a) {       return Point(t * a.x, t * a.y);     }     friend Point operator/(const Point& a, const T& t) {       return Point(a.x / t, a.y / t);     }     friend Point operator*(const Point& a, const Point& b) {       return Point(a.x * b.x - a.y * b.y, a.y * b.x + a.x * b.y);     }     friend Point operator/(const Point& a, const Point& b) {       return Point(a * conj(b) / norm(b));     }     friend T int_norm(const Point& a) { return __gcd(a.x, a.y); }     friend T int_unit(const Point& a) {       if (a == Point()) return a;       return a / int_norm(a);     }     friend T cross(const Point& a, const Point& b) {       return a.x * b.y - a.y * b.x;     }     friend T dot(const Point& a, const Point& b) { return a.x * b.x + a.y * b.y; }     friend T area(const Point& a, const Point& b, const Point& c) {       return cross(b - a, c - a);     }     friend Point rotation(const Point& a, const Point& b) {       return Point(dot(a, b), cross(a, b));     }     friend bool same_dir(const Point& a, const Point& b) {       return cross(a, b) == 0 && dot(a, b) > 0;     }     friend bool is_reflex(const Point& a, const Point& b) {       auto c = cross(a, b);       return c ? (c < 0) : (dot(a, b) < 0);     }     friend bool angle_less(const Point& base, const Point& second,                            const Point& t) {       int r = is_reflex(base, second) - is_reflex(base, t);       return r ? (r < 0) : (0 < cross(second, t));     }     friend bool angle_cmp(const Point& base) {       return [base](const Point& second, const Point& t) {         return angle_less(base, second, t);       };     }     friend bool angle_cmp_center(const Point& center, const Point& dir) {       return [center, dir](const Point& second, const Point& t) -> bool {         return angle_less(dir, second - center, t - center);       };     }     friend int angle_between(const Point& second, const Point& t,                              const Point& p) {       if (same_dir(p, second) || same_dir(p, t)) return 0;       return angle_less(second, p, t) ? 1 : -1;     }   };   int main() {     int n;     cin >> n;     auto query = [&](int t, int x, int y, int z) {       cout << t <<     << y + 1 <<     << z + 1 <<     << x + 1 << endl;       long long ret;       cin >> ret;       return ret;     };     int e1 = 0;     int e2 = 1;     vector<int> L, R;     vector<long long> A(n);     for (int i = 2; i < n; i++) {       if (query(2, e1, i, e2) > 0) {         R.push_back(i);       } else {         L.push_back(i);       }     }     int nl = (int)(L).size();     int nr = (int)(R).size();     for (int i = 2; i < n; i++) {       A[i] = query(1, e1, e2, i);     }     vector<int> hull;     hull.push_back(e2);     {       sort((L).begin(), (L).end(), [&](int x, int y) { return A[x] < A[y]; });       deque<int> d;       int big = -1;       if ((int)(L).size()) big = L.back();       while ((int)(L).size()) {         int x = L.back();         L.pop_back();         if ((int)(d).size() == 0) {           d.push_back(x);         } else {           if (query(2, e2, x, big) > 0) {             d.push_front(x);           } else {             d.push_back(x);           }         }       }       for (int x : d) hull.push_back(x);       hull.push_back(e1);     }     {       sort((R).begin(), (R).end(), [&](int x, int y) { return A[x] < A[y]; });       deque<int> d;       int big = -1;       if ((int)(R).size()) big = R.back();       while ((int)(R).size()) {         int x = R.back();         R.pop_back();         if ((int)(d).size() == 0) {           d.push_back(x);         } else {           if (query(2, e1, x, big) > 0) {             d.push_front(x);           } else {             d.push_back(x);           }         }       }       for (int x : d) hull.emplace_back(x);     }     cout << 0 <<    ;     vector<int> res;     int id = 0;     for (int i = 0; i < n; i++) {       if (hull[i] == 0) id = i;     }     for (int i = 0; i < n; i++) {       res.emplace_back(hull[(id + i) % n]);     }     for (int x : res) {       cout << x + 1 <<    ;     }     cout << endl;     return 0;   }   