#include "doll.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
const int inf = 1e9;
void create_circuit(int m, vector<int> A){
int n = A.size();
A.pb(inf);
vector<vector<int>> pos(m);
for(int i = 0; i < n; i++) pos[A[i]-1].pb(i);
vector<int> C(m+1, 0), X, Y;
C[0] = A[0];
int ls = 0;
for(int i = 0; i < m; i++) if(!pos[i].empty()){
if(pos[i].size() == 1){
C[i+1] = A[pos[i][0]+1];
}
else if(pos[i].size() == 2){
X.pb(A[pos[i][0]+1]), Y.pb(A[pos[i][1]+1]);
C[i+1] = -int(X.size());
}
else if(pos[i].size() == 4){
C[i+1] = -int(X.size()+1);
X.pb(-int(X.size()+2)), Y.pb(-int(Y.size()+3));
X.pb(A[pos[i][0]+1]), X.pb(A[pos[i][1]+1]);
Y.pb(A[pos[i][2]+1]), Y.pb(A[pos[i][3]+1]);
}
else{
C[i+1] = -int(X.size()+1);
X.pb(-int(X.size()+2)), Y.pb(-int(Y.size()+3));
X.pb(A[pos[i][0]+1]), X.pb(A[pos[i][1]+1]);
Y.pb(A[pos[i][2]+1]), Y.pb(ls);
ls = -int(X.size())+2;
}
}
for(int &x: C) if(x == inf) x = ls;
for(int &x: X) if(x == inf) x = ls;
for(int &x: Y) if(x == inf) x = ls;
answer(C, X, Y);
}
