#1022 Minecraft Education

local function placeDown()
  while turtle.getItemCount() == 0 do
    print('No items in slot '..byte+1)
    sleep(1)
  end
  turtle.placeDown()
end

local tArgs = { ... }
image = tArgs[1]
file = fs.open(image,'rb')
byte = file.read()
local lnLen = 1
local lnCnt = 0
while byte ~= nil do

  if byte >= 48 and byte <= 57 then
    byte = byte - 48
    turtle.select(byte + 1)
    placeDown() --turtle.placeDown()
    turtle.back()
  elseif byte >= 97 and byte <= 102 then
    byte = byte - 97 + 10
    turtle.select(byte + 1)
    placeDown() --turtle.placeDown()
    turtle.back()
  elseif byte == 10 then
    turtle.turnRight()
    turtle.back()
    turtle.turnLeft()
    for i=1,(lnLen-1) do
      turtle.forward()
    end
    lnLen = 0
    lnCnt = lnCnt + 1
  end

  print(byte)
  byte = file.read()
  lnLen = lnLen + 1
end

for i=1,(lnLen-1) do
  turtle.forward()
end
turtle.turnRight()
for i=1,lnCnt do
  turtle.forward()
end
turtle.turnLeft()

file.close()