using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[] NMi => ReadLine().Split().Select(c => int.Parse(c) - 1).ToArray();
    static int[][] NMap(int n) => Enumerable.Repeat(0, n).Select(_ => NMi).ToArray();
    static void Main()
    {
        var n = NN;
        var res = new int[n][];
        for (var i = 0; i < n; ++i)
        {
            res[i] = new int[n];
            for (var j = 0; j < n; ++j) res[i][j] = (i + j) % n + 1;
        }
        WriteLine(string.Join("\n", res.Select(r => string.Join(" ", r))));
    }
}