import sys
def diamond_printer(n):
l = ["*" * j for j in range(1, 2*n) if j % 2 == 1]
width = 2 * n - 1
for k in range(0, number):
print(l[k].center(width, " "))
l.reverse()
for z in range(1, number):
print(l[z].center(width, " "))
number = int(sys.argv[1])
diamond_printer(number)