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

ok = True
e = -1
inv = True
for i in range(n):
    for j in range(n):
        for k in range(n):
            ok &= op[i][op[j][k]] == op[op[i][j]][k]
if not ok:
    print("No")
    exit()
for i in range(n):
    eok = True
    for j in range(n):
        eok &= op[i][j] == op[j][i] == j
    if eok:
        e = i
if e == -1:
    print("No")
    exit()
for i in range(n):
    ex = False
    for j in range(n):
        ex |= op[i][j] == e
    inv &= ex
if inv:
    print('Yes')
else:
    print('No')