#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return true; } return false; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return true; } return false; }
#define vi vector<int>
#define vl vector<ll>
#define vii vector<pair<int,int>>
#define vll vector<pair<ll,ll>>
#define vvi vector<vector<int>>
#define vvl vector<vector<ll>>
#define vvii vector<vector<pair<int,int>>>
#define vvll vector<vector<pair<ll,ll>>>
#define vst vector<string>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pb push_back
#define all(x) (x).begin(),(x).end()
#define mkunique(x) sort(all(x));(x).erase(unique(all(x)),(x).end())
#define fi first
#define se second
#define mp make_pair
#define si(x) int(x.size())
const int mod=998244353,MAX=300005,INF=15<<26;

int main(){
    
    std::ifstream in("text.txt");
    std::cin.rdbuf(in.rdbuf());
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    ll N;cin>>N;
    vl X(N),Y(N);
    for(int i=0;i<N;i++){
        ll a,b;cin>>a>>b;
        a*=2;
        b*=2;
        X[i]=a+b;
        Y[i]=a-b;
        //cout<<X[i]<<" "<<Y[i]<<endl;
    }
    vl usex=X,usey=Y;
    sort(all(usex));
    sort(all(usey));
    ll l=-1,r=3e9;
    while(r-l>1){
        ll mid=(l+r)/2;
        vll use;
        use.pb(mp(usex[0]+mid,usey[0]+mid));
        use.pb(mp(usex[0]+mid,usey.back()-mid));
        use.pb(mp(usex.back()-mid,usey[0]+mid));
        use.pb(mp(usex.back()-mid,usey.back()-mid));
        
        bool ok=false;
        for(int a=0;a<4;a++){
            for(int b=a+1;b<4;b++){
                bool z=true;
                for(int i=0;i<N;i++){
                    bool f=false;
                    if(max(abs(X[i]-use[a].fi),abs(Y[i]-use[a].se))<=mid) f=true;
                    if(max(abs(X[i]-use[b].fi),abs(Y[i]-use[b].se))<=mid) f=true;
                    if(!f) z=false;
                }
                if(z){
                    //cout<<mid<<" "<<use[a].fi<<" "<<use[a].se<<" "<<use[b].fi<<" "<<use[b].se<<endl;
                    ok=true;
                }
            }
        }
        if(ok) r=mid;
        else l=mid;
    }
    cout<<r<<endl;
}