fun getNextDropMove(column: Int): Move? {
  val cells = field.getColumnCell(column).reversed()
  if (cells.isEmpty()) {
    return null
  }
  var hole: TileCell? = null
  cells.forEach { nextCell ->
    if (hole == null) {
      if (nextCell.tile.isHole()) {
          hole = nextCell
      }
    } else if (nextCell.tile.isTile()) {
      return Move(hole!!.position, nextCell.position)
    }
  }
  return null
}

fun main() {
    val name = "stranger"        // Declare your first variable
    println("Hi, $name!")        // ...and use it!
    print("Current count:")
    for (i in 0..10) {           // Loop over a range from 0 to 10
        print(" $i")
    }
}