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:
            if i % 2 == 0:
                ans[i][j] = 1
            if i % 2 == 1:
                ans[i][j] = 2
        if i + j > N -1:
            ans[i][j] = 2
for i in range(N):
    tmp = ''
    for j in range(N):
        tmp += str(ans[i][j])
    print(tmp)