for i in range(8):
print('*'*i);
for i in reversed(range(1, 8)):
print('*'*i)
for i in range(1, 9): print('*' * i)
for i in range(8, 0, -1): print('*' * i)
print(*map('*'.__mul__, range(1, 9)), sep = '\n')
print(*map('*'.__mul__, range(8, -1, -1)), sep = '\n')