//g++ 1.cpp -std=c++17 -O2 -I .
#include <bits/stdc++.h>
using namespace std;

#include <atcoder/all>
using namespace atcoder;

using ll = long long;
using ld = long double;
 
using vi = vector<int>;
using vvi = vector<vi>;
using vll = vector<ll>;
using vvll = vector<vll>;
using vld = vector<ld>;
using vvld = vector<vld>;
using vst = vector<string>;
using vvst = vector<vst>;
 
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define pq_big(T) priority_queue<T,vector<T>,less<T>>
#define pq_small(T) priority_queue<T,vector<T>,greater<T>>
#define all(a) a.begin(),a.end()
#define rep(i,start,end) for(ll i=start;i<(ll)(end);i++)
#define per(i,start,end) for(ll i=start;i>=(ll)(end);i--)
#define uniq(a) sort(all(a));a.erase(unique(all(a)),a.end())

bool sub(vector<pair<ll,ll>> &p,int a){
  int n=p.size();
  ll min_w=1e18,max_w=-1e18;
  ll min_v=1e18,max_v=-1e18;
  
  for(auto [w,v]:p){
    min_w=min(min_w,w);
    max_w=max(max_w,w);
    min_v=min(min_v,v);
    max_v=max(max_v,v);
  }

  bool flg=0,flg2=1,flg3=1,flg4,flg5;
  
  for(auto [w,v]:p){
    flg4=0,flg5=0;
    if(abs(min_w-w)<=a&&abs(min_v-v)<=a)flg4=1;
    if(abs(max_w-w)<=a&&abs(max_v-v)<=a)flg4=1;
    if(abs(min_w-w)<=a&&abs(max_v-v)<=a)flg5=1;
    if(abs(max_w-w)<=a&&abs(min_v-v)<=a)flg5=1;
    flg2=min(flg2,flg4);
    flg3=min(flg3,flg5);
  }
    
  flg=max({flg,flg2,flg3});

  return flg;
}

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);

  int n;cin>>n;
  ll min_w=1e18,max_w=-1e18;
  ll min_v=1e18,max_v=-1e18;

  vector<pair<ll,ll>> p(n);
  rep(i,0,n){
    ll x,y;cin>>x>>y;
    ll w=x+y,v=x-y;
    p[i]={w,v};

    min_w=min(min_w,w);
    max_w=max(max_w,w);
    min_v=min(min_v,v);
    max_v=max(max_v,v);
  }

  ll ng=-1,ok=2e9+1e5;
  while(ok-ng>1){
    ll check=(ok+ng)/2;

    int flg=0;
    vector<pair<ll,ll>> p1,p2,p3,p4;
    for(auto [w,v]:p){
      if(abs(min_w-w)>check||abs(min_v-v)>check)p1.emplace_back(w,v);
      if(abs(min_w-w)>check||abs(max_v-v)>check)p2.emplace_back(w,v);
      if(abs(max_w-w)>check||abs(min_v-v)>check)p3.emplace_back(w,v);
      if(abs(max_w-w)>check||abs(max_v-v)>check)p4.emplace_back(w,v);
    }

    flg=max({flg,(int)sub(p1,check),(int)sub(p2,check),(int)sub(p3,check),(int)sub(p4,check)});

    if(flg){
      ok=check;
    }
    else{
      ng=check;
    }
  }

  cout<<ok<<endl;
}