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] = 1
    for j in range(1, n - i):
        a[i][j] = a[i][j - 1] + 1
    for j in range(n - i, 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: 1201
	User: admin
	Language: Python
	Result: Accepted
	Time:106 ms
	Memory:34480 kb
****************************************************************/