#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
int pt=0;
vector<int> a,X={0},Y={0};
vector<bool> states;
void solve(int id,int d,int len){
// cout << id << ' ' << d << ' ' << len << '\n';
int cnt=len-(1<<d);
if(cnt<=0){
X[id]=-1;
}else if(d==0){
X[id]=0;
}else{
int tmp=X.size();
X[id]=-tmp-1;
X.push_back(0);Y.push_back(0);
solve(tmp,d-1,cnt);
}
if(d==0){
Y[id]=0;
}else{
int tmp=X.size();
Y[id]=-tmp-1;
X.push_back(0);Y.push_back(0);
solve(tmp,d-1,min(1<<d,len));
}
}
void run(int now){
// cout << now << endl;
if(pt==a.size()){
return;
}
if(now==0){
return;
}else if(states[-now-1]){
states[-now-1]=!states[-now-1];
if(Y[-now-1]==0){
Y[-now-1]=a[pt++];
run(-1);
}else{
run(Y[-now-1]);
}
}else{
states[-now-1]=!states[-now-1];
if(X[-now-1]==0){
X[-now-1]=a[pt++];
run(-1);
}else{
run(X[-now-1]);
}
}
}
void create_circuit(int M, vector<int> A) {
A.push_back(0);
a=A;
for(int i=1;i<20;i++){
if((1<<i)>=A.size()){
solve(0,i-1,A.size());
break;
}
}
states.resize(X.size(),false);
run(-1);
vector<int> C(M+1,-1);
answer(C, X, Y);
}
//9 -> 16
//
