n = int(input());
n = n+1
for a in range (1, n + 1):
    for b in range (1, n - a +1):
        print('',end=' ')
    for c in range (1, 2*a):
        print('*',end='')
    print()
for i in range(2, n + 2):
    for k in range(2, i+1):
        print(end=' ')
    for x in range(i ,2*n-i+1 ):
        print('*', end = '')
    print()

/**************************************************************
	Problem: 1071
	User: admin
	Language: Python
	Result: Accepted
	Time:88 ms
	Memory:34480 kb
****************************************************************/