n = int(input())
a = [[0 for j in range(n)] for i in range(n)]

for i in range(n):
    # 先定好第一列数字
    a[i][0] = n
    for j in range(1, i + 1):
        a[i][j] = a[i][j - 1] - 1
    for j in range(i + 1, n):
        a[i][j] = a[i][j - 1]

for i in range(n):
    for j in range(n):
        print('%3d' % a[i][j], end='')
    print()
/**************************************************************
	Problem: 1198
	User: admin
	Language: Python
	Result: Accepted
	Time:103 ms
	Memory:34480 kb
****************************************************************/