while True:
try:
n=int(input())
a=[]
for i in range(2,n+2):
a.append('* '*i)
for i in range(n-1,-1,-1):
print(a[i])
print('*')
for i in range(len(a)):
print(a[i])
except:
break
while True: try: n=eval(input()) l=[] for i in range(2,n+2): l.append(i) list_1=l[::-1] list_2=list_1+[1]+l for j in list_2: print('* '*j) except: break