n = int(input())
a = [list(map(int, input().split())) for _ in range(n)]
for i in range(n):
  for j in range(n):
    if a[i][j] != a[j][i]:
      print("No")
      exit()
for i in range(n-1):
  if a[i][i] != a[i+1][i+1]:
    print("No")
    exit()
for i in range(n):
  for j in range(n):
    for k in range(n):
      if a[i][a[j][k]] != a[a[i][j]][k]:
        print("No")
        exit()
print("Yes")