210324

''
list = []

list.append(10)
list.append(20)
list.append(30)

print(list)

list.append("asdasdasd")

print(list)

v = [1,2,3,4,5]
list.append(v)

print(list)
'''

'''

map = []

for i in range(5):
    v = []
    for j in range(i+1):
        v.append(0)
    map.append(v)

for i in range(5):
    for j in range(len(map[i])):
        print(map[i][j], end=' ')
    print()

'''
'''
a, b = input().split()
a = int(a)
b = int(b)

if b >= 30:
    print(a, (b-30))
else:
    if a > 0:
        print(a-1,(60+(b-30)))
    else:
        print(23, (60+(b-30)))
        
'''
'''

a = []

for i in range(1,101):
    print(i,  end = ' ')
'''

'''

a = int(input())

s = 0
for i in range(a+1):
    s+=i
print(s)
'''
'''

n = int(input())
b = input().split()

s = 0
for i in range(n):
    b[i] = int(b[i])
    if b[i] % 5 == 0:
        s+=b[i]
print(s)
'''

'''

n = int(input())
b = input().split()


s=0
for i in range(n):
    b[i] = int(b[i])
    if b[i] >= s:
        s=b[i]
print(s)
'''

'''

n = int(input())

for i in range(n):
    for j in range(n):
        print("*", end='')
    print()
'''

'''

n = int(input())

for i in range(n):
    for j in range(n):
        if(i==0 or i==n-1 or j==n-1 or j==0):
            print("*", end='')
        else:
            print(" ", end  = '')
    print()
    if(i==0 or i==n-1 or j==n-1 or j==0 or j==n-2 or j==1 or ):
'''

'''

n = int(input())

for i in range(n):
    for j in range(n):
        if i==0 or i==n-1 or j==n-1 or j==0 or i==j or i+j==n-1:
            print("*", end='')
        else:
            print(" ", end='')

    print()
'''

'''
n = int(input())

for i in range(n):
    for j in range(n):
        if i==0 or i==n-1 or j==n-1 or j==0 or i==j or i+j==n-1 or i==n//2 or j==n//2:
            print("*", end='')
        else:
            print(" ", end='')

    print()
'''

'''
n = int(input())

for i in range(n):
    for j in range(i+1):
        print('*', end='')
    print()
'''

'''

n = int(input())

for i in range(n):
    for j in range(n-i):
        print('*', end = '')
    print()

'''

'''

n = int(input())

for i in range(n):
    for k in range(i):
        print(' ', end = '')

    for j in range(n-i):
        print('*', end = '')
    print()
'''

'''
n = int(input())

for i in range(1,n):
    for k in range(i):
        print('*', end  = '')
    print()
for j in range(n):
    for h in range(n- j):
        print('*', end='')
    print()
'''
n = int(input())
k = 0
for i in range(n*2-1):
    if i<n:
        k = i
    else:
        k -= 1
    for j in range(k+1):
        print('*', end='')
    print()