# import sys; input = sys.stdin.buffer.readline
# sys.setrecursionlimit(10**7)
from collections import defaultdict
con = 10 ** 9 + 7; INF = float("inf")

def getlist():
	return list(map(int, input().split()))

#処理内容
def main():
	N = int(input())
	for i in range(N):
		itr = (2 * i) % N
		ans = [None] * N
		for j in range(N):
			ans[(itr - j) % N] = j + 1

		print(*ans)



if __name__ == '__main__':
	main()