N, K = map(int, input().split())

if K == 0:
  print(-1)
  exit()

ans = [[0]*N for _ in range(N)]
val = 1

for i in range(N-1, -1, -1):
  for j in range(N-1, -1, -1):
    if val <= N**2 - K:
      ans[i][j] = val
      val += 1

val = N ** 2 - K + 1

for i in range(N):
  for j in range(N):
    if val <= N**2:
      ans[i][j] = val
      val += 1

for x in ans:
  print(*x)