package main

import (
	"bufio"
	"fmt"
	"os"
)

func main() {
	var N int
	fmt.Scan(&N)

	// time0 := time.Now()
	// defer func() { fmt.Fprintln(os.Stderr, time.Since(time0)) }()

	wr := bufio.NewWriter(os.Stdout)
	for i := 0; i < N; i++ {
		for j := 0; j < N; j++ {
			if j > 0 {
				fmt.Fprint(wr, " ")
			}
			fmt.Fprint(wr, 1+(i+j)%N)
		}
		fmt.Fprintln(wr)
	}
	wr.Flush()
}