n = int(input())
ans = [[0]*n for i in range(n)]
for i in range(n):
    for j in range(n):
        x = 2*(i+1)-(j+1)
        if x%n != 0:
            ans[i][j] = x%n
        else:
            ans[i][j] = n        
for i in range(n):
    print(*ans[i])