floor

local args = {...}
sideways = args[2]
forward = args[1]

local function row()
  for i = 1, forward do
      turtle.placeDown()
      turtle.forward()
      itemcheck()
    end
  for i = 1, forward do
    turtle.back()
  end
end


local function itemcheck()
  local itemslot = turtle.getSelectedSlot()
    if turtle.getItemCount() == 0 then
      local itemslot = 1 + itemslot
      turtle.select(itemslot)
      if turtle.getSelectedSlot() == 16 then
        error('Im out!')
      end
    end
end

local function turn()
  turtle.turnRight()
  turtle.forward()
  turtle.turnLeft()
end

turtle.select(1)
for i = 1, sideways do
  itemcheck()
  row()
  turn()
end