n, k = map(int, input().split())
if k == 0:
    print(-1)
else:
    a = n ** 2 - k
    ans = [[0] * n for _ in range(n)]
    for i in range(n):
        for j in range(n):
            ans[i][j] = a + 1
            a += 1
            a %= n ** 2
    for i in ans:
        print(*i)