def get_list(ty=int):
    return list(map(ty, input().split()))


def get_int():
    return int(input())


def get_str():
    return input()


N = get_int()

for i in range(N):
    ans = []
    for j in range(1, N + 1):
        ans.append((i + j) % N + 1)
    print(*ans)