n=int(input())
l=[[0 for i in range(n)] for j in range(n)]
for d in range(n):
    r=d+1
    l[d][d]=r
    i,j=d,d
    for k in range(n-1):
        i=(i+1)%n
        j=(j-1)%n
        l[i][j]=r
for i in l:
    print(*i)