n = int(input())
for i in range(1,n+1):
    
    for k in range(n-i):
        print(" ",end='')

    for j in range(2*i-1):
        print(i,end='')
    print()
/**************************************************************
	Problem: 1008
	User: mariooo
	Language: Python
	Result: Accepted
	Time:41 ms
	Memory:34244 kb
****************************************************************/