n = int(input())
for i in range(1, n + 1):
for j in range(1, n - i + 1):
print(' ', end='')
for j in range(1, 2 * i - 1 + 1):
print(j, end='')
print()
/**************************************************************
Problem: 1787
User: admin
Language: Python
Result: Accepted
Time:110 ms
Memory:34480 kb
****************************************************************/