#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
typedef tuple<int,int,int> ti;
typedef vector<ll> li;
typedef vector<li> lii;
#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define LSOne(s) ((s)&(-s))
#define all(x) (x).begin(),(x).end()
ll INF=1000000000000000010;
int inf=1e9+10;
ll M=1e9+7;
vii a;
vi p,c,s,d;
void dfs(int x){
for(auto u:a[x])if(u!=p[x]){
c[x]++;
p[u]=x;
d[u]=d[x]+1;
dfs(u);
s[x]+=s[u];
}
}
int centroid(int x,int y){
for(auto u:a[x])if(s[u]>y/2){
s[x]-=s[u];
s[u]=y;
return centroid(u,y);
}
return x;
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int n;cin>>n;
a.resize(n);p.resize(n,-1);c.resize(n,0);s.resize(n,1);d.resize(n,0);
REP(i,0,n-1){
int x,y;cin>>x>>y;
x--;y--;
a[x].PB(y);
a[y].PB(x);
}
dfs(0);
queue<int> q;
REP(i,0,n)if(c[i]==0)q.push(i);
ll cnt=0,cnt2=0;
vi ans(n),ans2(n);
REP(i,0,n)ans[i]=i;
ans2=ans;
while(!q.empty()){
int x=q.front();
q.pop();
if(ans[x]!=x){
if(x!=0){
c[p[x]]--;
if(c[p[x]]==0)q.push(p[x]);
}
continue;
}
cnt+=2;
if(x==0)swap(ans[x],ans[a[0][0]]);
else{
swap(ans[x],ans[p[x]]);
c[p[x]]--;
if(c[p[x]]==0)q.push(p[x]);
}
}
int x=centroid(0,n);
p.clear();s.clear();d.clear();c.clear();
p.resize(n,-1);c.resize(n,0);s.resize(n,1);d.resize(n,0);
dfs(x);
REP(i,0,n)cnt2+=(ll)d[i]*2LL;
vi vis(n,0);
vis[x]=1;
vii b;
for(auto u:a[x]){
vi arr;
queue<int> q;
q.push(u);
while(!q.empty()){
int y=q.front();
q.pop();
vis[y]=1;
arr.PB(y);
for(auto v:a[y])if(!vis[v])q.push(v);
}
b.PB(arr);
}
int l=0,r=1,sz=b.size();
while(r<sz){
while(!b[l].empty()&&!b[r].empty()){
swap(ans2[b[l].back()],ans2[b[r].back()]);
b[l].pop_back();
b[r].pop_back();
}
if(b[l].empty()&&b[r].empty()){
l=r+1;r=l+1;
}
else if(b[l].empty()){
l=r;r=l+1;
}
else r++;
}
if(l<sz&&!b[l].empty())swap(ans2[x],ans2[b[l][0]]);
else if(r<sz&&!b[r].empty())swap(ans2[x],ans2[b[r][0]]);
else swap(ans2[x],ans2[(x+1)%n]);
cout<<cnt<<" "<<cnt2<<"\n";
for(auto u:ans)cout<<u+1<<" ";
cout<<"\n";
for(auto u:ans2)cout<<u+1<<" ";
}
