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