from numpy import *
from numpy.linalg import *         

n = int(input("Digite: "))
mat = zeros((n,n),dtype=int)


mat = ones((n,n),dtype=int)
new = zeros((n,n),dtype=int)

for i in range(n):
	for j in range(n):
		new[i,j]= min(i,j)+1


print(new)