n,k = map(int, input().split())
if k == 0:
	print(-1)
else:
	ans = [[0]*n for _ in range(n)]
	n1 = n*n-k+1
	n2 = 1
	for i in range(n):
		for j in range(n):
			if n1 <= n*n:
				ans[i][j] = n1
				n1 += 1
			else:
				ans[i][j] = n2
				n2 += 1
	for i in ans:
		print(*i)