#include "wiring.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define ss second
#define ff first
#define sz(a) int(a.size())
#define all(a) a.begin(),a.end()
typedef long double ld;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
const ll inf = 1e18;
const int mod = 1e9+7; //998244353;
const int maxn = 1e5+5;
const int Xg[4] = {1,0,-1,0}, Yg[4] = {0,1,0,-1};
ll modpw(ll a,ll e) {if(e==0)return 1;ll x=modpw(a*a%mod,e>>1);return e&1?x*a%mod:x;}
ll min_total_length(vi r, vi b) {
ll ans = 0;
int now=0,now1=0;
while(now < sz(r) and now1 < sz(b)){
ans += b[now]-r[now];
now++,now1++;
}
while(now < sz(r)) ans += (b.front()-r[now]),now++;
while(now1 < sz(b)) ans += (b[now1]-r.back()),now1++;
return ans;
}
