package main

import . "fmt"

func main() {
	var n int
	Scan(&n)
	t:=make([][]int,n)
	for i:=range t{
		t[i]=make([]int,n)
		for j:=range t[i] {
			Scan(&t[i][j])
		}
	}
	for i:=range t {
		for j:=range t {
			for k:=range t {
				if t[t[i][j]][k]!=t[i][t[j][k]] {
					Println("No")
					return
				}
			}
		}
	}
	for e:=range t {
		ok:=true
		for i:=range t {
			ok=ok&&t[i][e]==i&&i==t[e][i]
			found:=false
			for j:=range t {
				found=found||(t[i][j]==e&&e==t[j][i])
			}
			ok=ok&&found
		}
		if ok{
			Println("Yes")
			return
		}
	}
	Println("No")
}