import sys

N = int(input())

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

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]]:
                print ("No")
                sys.exit()


e_exist = False

for e in range(N):

    flag = True

    for i in range(N):
        if A[i][e] != i:
            flag = False

        if A[e][i] != i:
            flag = False

    for i in range(N):

        exist = False
        for j in range(N):

            if A[i][j] == e and A[j][i] == e:
                exist = True

        if exist == False:
            flag = False

    if flag:
        print ("Yes")
        sys.exit()

print ("No")