n = int(input())
m = []
for i in range(n):
    m1 = []
    for j in range(n):
        if j + i == n - 1:
            num = 1
        elif j + i < n - 1:
            num = 0
        else:
            num = 2
        m1.append(num)
    m.append(m1)
for elem in m:
    print(*elem)