#nullable enable

#region
var (_input, _iter) = (Array.Empty<string>(), 0);
T I<T>() where T : IParsable<T>
{
    while (_iter >= _input.Length) (_input, _iter) = (Console.ReadLine()!.Split(' ', StringSplitOptions.RemoveEmptyEntries), 0);
    return T.Parse(_input[_iter++], null);
}
#endregion

var n = I<int>();
var oxz = new long[n];
var oyz = new long[n];
for (var i = 0; i < n; i++)
{
    var x = I<long>();
    var y = I<long>();
    oxz[i] = x + y;
    oyz[i] = x - y;
}
if (n <= 2)
{
    Console.WriteLine(0);
    return;
}
var ans = long.MaxValue;
for (var lp = 0; lp < 2; lp++)
{
    long[] xz = [.. oxz];
    long[] yz = [.. oyz];
    Array.Sort(xz, yz);
    var xmax = xz[n - 1];
    var xmin = xz[0];
    var lz = new long[n];
    {
        var ylmax = long.MinValue;
        var ylmin = long.MaxValue;
        for (var i = 0; i < n; i++)
        {
            var y = yz[i];
            ylmax = Math.Max(ylmax, y);
            ylmin = Math.Min(ylmin, y);
            lz[i] = ylmax - ylmin;
        }
    }
    {
        var ylmax = long.MinValue;
        var ylmin = long.MaxValue;
        for (var i = n - 1; i > 0; i--)
        {
            var y = yz[i];
            ylmax = Math.Max(ylmax, y);
            ylmin = Math.Min(ylmin, y);
            var yns = Math.Max(ylmax - ylmin, lz[i - 1]);
            var xns = Math.Max(xmax - xz[i], xz[i - 1] - xmin);
            ans = Math.Min(ans, Math.Max(xns, yns));
        }
    }
    (oxz, oyz) = (oyz, oxz);
}
Console.WriteLine(ans);