#include<bits/stdc++.h>
#include "worldmap.h"
using namespace std;
typedef long long ll;
#define int ll
#define endl '\n'
#define pb push_back
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
const int MOD=1000000007;
#define gcd(a,b) __gcd(a,b)
#define lcm(a,b) (a*(b/gcd(a,b)))
#define fios(); ios_base::sync_with_stdio(0);cin.tie(0);
#define fraction(x); cout.unsetf(ios::floatfield); cout.precision(x); cout.setf(ios::fixed,ios::floatfield);
#define file(); freopen("input.txt","r",stdin);freopen("output.txt","w",stdout);
vector<vector<int32_t>> create_map(int32_t n, int32_t m,vector<int32_t> a, vector<int32_t> b){
vector<vector<int32_t>> ans(n*2,vector<int32_t>(n*2));
int cur=0;
for(int i=0;i<(n*2);i++){
if(i%2==0){
for(int j=0;j<(n*2);j++){
ans[i][j]=1;
}
}else{
for(int j=0;j<(n*2);j++){
ans[i][j]=b[cur];
}
cur++;
}
}
vector<vector<int>>graph(n+1);
for(int i=0;i<n;i++){
graph[a[i]].pb(b[i]);
}
for(int i=1;i<n;i++){
int col=i*2;
int ind=1;
for(auto u:graph[i+1]){
ans[col][ind]=u;
ind+=2;
}
}
return ans;
}
