package main

import "fmt"

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

	for i := 0; i < N; i++ {
		for j := 0; j < N; j++ {
			if j > 0 {
				fmt.Print(" ")
			}
			fmt.Print(1 + (i+j)%N)
		}
		fmt.Println()
	}
}