n = int(input())
a = list(range(1,n+1))
a = a[::-1]
a = [a[n-1]] + a[:n-1]
for i in range(n):
    for j in range(n):
        print(a[j],end="")
        print(" ",end="")
    print()
    
    
    a = [a[n-1]] + a[:n-1]
    a = [a[n-1]] + a[:n-1]