import sys

n = int(sys.stdin.buffer.readline())
count = [0, 0, 0]
for r in range(1, n + 1):
    for c in range(1, r + 1):
        count[(r + c) % 3] += 1
selected = min(range(3), key=count.__getitem__)
print("\n".join(" ".join("2" if (r + c) % 3 == selected else "1" for c in range(1, r + 1)) for r in range(1, n + 1)))