n = int(input())
a = [list(map(int,input().split())) for i in range(n)]

great = 0
ars = 0
for i in range(n):
	# e = i
	mode = 1
	for j in range(n):
		if not (a[i][j] == a[j][i] == j):
			mode = 0
	if mode:
		great = 1
		ars = i
		break

if great == 0:
	print("No")
	exit()

mode = 1
for i in range(n):
	for j in range(n):
		for k in range(n):
			if a[a[i][j]][k] != a[i][a[j][k]]:
				mode = 0

if mode == 0:
	print("No")
	exit()

# 逆元

mode = 1
for i in range(n):
	tar = 0
	for j in range(n):
		if a[i][j] == a[j][i] == ars:
			tar = 1
	if tar == 0:
		mode = 0
		break

if mode:
	print("Yes")
else:
	print("No")