#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
template<typename T>
using min_heap = priority_queue<T, vector<T>, greater<T>>;
template<typename T>
using max_heap = priority_queue<T, vector<T>, less<T>>;
using int64 = long long;
using ld = long double;
constexpr int kInf = 1e9 + 10;
constexpr int64 kInf64 = 1e15 + 10;
constexpr int kMod = 1e9 + 7;
void create_circuit(int M, std::vector<int> A) {
const int n = A.size();
vector<int> C(M + 1);
iota(C.begin(), C.end(), 0);
for (int i = 0; i < n - 1; i++) {
C[A[i]] = A[i + 1];
}
C[0] = A[0];
C[A[n - 1]] = 0;
answer(C, {}, {});
}
