N = int(input())
L = []
for _ in range(N):
    L.append(list(map(int, input().split())))
check1 = 1
for i in range(N):
    for j in range(N):
        for k in range(N):
            if L[L[i][j]][k] != L[i][L[j][k]]:
                check1 = 0
                break
e = -1
check2 = -1
for i in range(N):
    check2 = 1
    for j in range(N):
        if L[i][j] != j:
            check2 = 0
            break
    if check2 == 1:
        e = i
        break

check3 = -1
for i in range(N):
    check3 = 0
    for j in range(N):
        if L[i][j] == e:
            check3 = 1
            break
    if check3 == 0:
        break
            
if check1 == check2 == check3 == 1:
    print("Yes")
else:
    print("No")