n = int(input())
r = [[0]*n for _ in range(n)]
for i in range(n):
    for j in range(n):
        if i < n//2 and i+j == n-1:
            r[i][j] = 1
        elif i+j >= n:
            r[i][j] = 2

for ri in r:
    print("".join(map(str,ri)))