n = int(input())

for i in range(1, n + 1):
    if i % 2 == 0:
        for j in range(2, 2 * i + 1, 2):
            print(j, end=" ")
    else:
        for j in range(1, 2 * i + 1, 2):
            print(j, end=" ")
    print()