'''
a=int(input())
b=0
for i in range (1, a+1):
for j in range (1, a+1) :
b=
n, m=input().split()
n = int (n)
m = int (m)
print('+', end='')
print('-'*(n-2), end='')
print('+')
for i in range(m-2):
print('|', end='')
print(' '*(n-2), end='')
print('|')
print('+', end='')
print('-'*(n-2), end='')
print('+')
'''
a=int(input())
x=1
y=a-1
for i in range (a) :
print(' ' * y,end='')
print('*' * x,end='')
print(' ' * y)
x+=2
y-=1
y=1
x=a-2
for j in range (a) :
print(' ' * y, end='')
print('*' * x,end='')
print(' ' * y)
y+=1
x-=2
# for i in range (1,a):
# for j in range (a,0,-1):
# print('*'*j