n, k = map(int, input().split())
if k == 0:
    print(-1)
    exit()

ans = [[-1] * n for i in range(n)]
tmp = n * n - k + 1
for x in range(n):
    for y in range(n):
        if tmp <= n * n:
            ans[x][y] = tmp
            tmp += 1

tmp = 1
for x in range(n):
    for y in range(n):
        if ans[x][y] == -1:
            ans[x][y] = tmp
            tmp += 1

for i in ans:
    print(*i)