n = int(input())
a = [[0] * n for _ in range(n)]
if n % 2:
    for i in range(n):
        if i % 2 == 0:
            for j in range(n):
                a[i][j] = j
        else:
            for j in range(n):
                a[i][j] = n - 1 - j
else:
    for i in range(0, n, 2):
        x = i // 2
        y = n - 1 - x
        for j in range(0, n, 2):
            a[i][j] = a[i+1][j] = x
        for j in range(1, n, 2):
            a[i][j] = a[i+1][j] = y

b = list(map(list, zip(*a)))
for ai in a:
    print(*(x + 1 for x in ai))
for bi in b:
    print(*(x + 1 for x in bi))