val layer = Seq(1, 0, 0, 0, 1,
            1, 0, 0, 0, 1,
            1, 0, 0, 0, 1,
            1, 0, 0, 0, 1,
            1, 0, 0, 0, 1,
            1, 0, 0, 0, 1,
            1, 0, 0, 0, 1)
val width = 5
val layerArray: Seq[Seq[Int]] = layer.grouped(width).toSeq
val height = layerArray.size
layerArray(height - 1)(width - 1)
(for {
  j <- 0 until Math.ceil(height / 2).toInt
  h <- 0 until height
  i <- 0 until Math.ceil(width / 2).toInt
  w <- 0 until width
} yield layerArray(j)(w) == layerArray(height - 1 - j)(w) &&
layerArray(h)(i) == layerArray(h)(width - 1 - i)).forall(identity)