#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> X={0},Y={0};
void solve(int id,int d,vector<int> a){
vector<int> l,r;
int cnt=int(a.size())-(1<<d),pt=0;
if(cnt<0){
r=a;
}else{
pt=int(a.size())-2*cnt;
for(int i=0;i<pt;i++){
r.push_back(a[i]);
}
for(int i=0;i<2*cnt;i++){
if(i%2==0){
l.push_back(a[pt++]);
}else{
r.push_back(a[pt++]);
}
}
}
if(l.size()==0){
X[id]=-1;
}else if(d==0){
X[id]=l[0];
}else{
int tmp=X.size();
X[id]=-tmp-1;
X.push_back(0);Y.push_back(0);
solve(tmp,d-1,l);
}
if(d==0){
Y[id]=r[0];
}else{
int tmp=X.size();
Y[id]=-tmp-1;
X.push_back(0);Y.push_back(0);
solve(tmp,d-1,r);
}
}
void create_circuit(int M, vector<int> A) {
A.push_back(0);
for(int i=1;i<20;i++){
if((1<<i)>=A.size()){
solve(0,i-1,A);
break;
}
}
vector<int> C(M+1,-1);
answer(C, X, Y);
}
//9 -> 16
//
