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

for a in ans:
    print(*a, sep="")