N = int(input())

a = [[0] * (N + 1) for i in range(N + 1)]

for i in range(1, N + 1):
    for j in range(1, N + 1):
        a[i][j] = N if (2 * i - j) % N == 0 else (2 * i - j) % N

for i in range(1, N + 1):
    print(*a[i][1:])