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):
  if i not in a[i]:
    print("No")
    exit()
for i in range(n):
  for j in range(n):
    for k in range(n):
      if not a[i][a[j][k]] == a[a[i][j]][k] == a[j][a[k][i]]:
        print("No")
        exit()
e = [i for i in range(n)]
for i in range(n):
  for v in e:
    if v not in a[i]:
      e.remove(v)
    elif a[i][v] != i:
      e.remove(v)
print("Yes" if e else "No")