#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(ll i=0;i<n;i++)
#define repl(i,l,r) for(ll i=(l);i<(r);i++)
#define per(i,n) for(ll i=(n)-1;i>=0;i--)
#define perl(i,r,l) for(ll i=r-1;i>=l;i--)
#define fi first
#define se second
#define pb push_back
#define ins insert
#define pqueue(x) priority_queue<x,vector<x>,greater<x>>
#define all(x) (x).begin(),(x).end()
#define CST(x) cout<<fixed<<setprecision(x)
#define vtpl(x,y,z) vector<tuple<x,y,z>>
#define rev(x) reverse(x);
using ll=long long;
using vl=vector<ll>;
using vvl=vector<vector<ll>>;
using pl=pair<ll,ll>;
using vpl=vector<pl>;
using vvpl=vector<vpl>;
const ll MOD=1000000007;
const ll MOD9=998244353;
const int inf=1e9+10;
const ll INF=4e18;
const ll dy[9]={0,-1,0,1,1,1,-1,-1,0};
const ll dx[9]={-1,0,1,0,1,-1,1,-1,0};
template<class T> inline bool chmin(T& a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
template<class T> inline bool chmax(T& a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}
int main(){
    ll n;cin >> n;
    vl x(n),y(n);
    rep(i,n)cin >> x[i] >> y[i];
    rep(i,n){
        ll c=x[i],d=y[i];
        x[i]=c+d;y[i]=c-d;
    }
    ll xmin=INF,ymin=INF,xmax=-INF,ymax=-INF;
    rep(i,n){
        chmin(xmin,x[i]);
        chmin(ymin,y[i]);
        chmax(xmax,x[i]);
        chmax(ymax,y[i]);
    }
    ll ans=INF;
    {
        ll ok=INF,ng=-1;
        while(ok-ng>1){
            ll mid=(ok+ng)>>1;
            bool f=true;
            rep(i,n){
                if(x[i]<=xmin+mid*2&&y[i]<=ymin+mid*2)continue;
                if(x[i]>=xmax-mid*2&&y[i]>=ymax-mid*2)continue;
                f=false;
            }
            if(f)ok=mid;
            else ng=mid;
        }
        chmin(ans,ok);
    }
    {
        ll ok=INF,ng=-1;
        while(ok-ng>1){
            ll mid=(ok+ng)>>1;
            bool f=true;
            rep(i,n){
                if(x[i]<=xmin+mid*2&&y[i]>=ymax-mid*2)continue;
                if(x[i]>=xmax-mid*2&&y[i]<=ymin+mid*2)continue;
                f=false;
            }
            if(f)ok=mid;
            else ng=mid;
        }
        chmin(ans,ok);
    }
    cout << ans << endl;

}