import sys

n = int(sys.stdin.buffer.readline())
red = [[0] * n for _ in range(n)]
blue = [[0] * n for _ in range(n)]
used = [0] * (2 * n + 1)
for r in range(n):
    for c in range(n):
        total = r + c - n + 1
        diff = total if (r + c) % 2 == 0 else -total
        index = used[diff + n]
        used[diff + n] += 1
        if diff >= 0:
            red[r][c], blue[r][c] = diff + 1 + index, 1 + index
        else:
            red[r][c], blue[r][c] = 1 + index, 1 - diff + index
print("\n".join(" ".join(map(str, row)) for row in red + blue))