test

local slots = {}
for i = 1,4 do turtle.refuel(1) end
for i = 1, 4 do turtle.suck() end
t = turtle
t.select(1)
t.up()
for i = 1,4 do
  t.select(i)
  t.place()
  if t.detect() then
    slots["diskdrive"] = i
    break
  end
end
t.select(slots["diskdrive"])
t.place()
for i = 1, 4 do
  if i ~=  slots["diskdrive"] then
    t.drop()
    if disk.isPresent("front") then
      sleep(2)
      t.suck()
      slots["disk"] = i
      break
    end
    t.suck()
  end

end
t.dig()
print("diskdriver slot = "..slots["diskdrive"])
print("disk slot = "..slots["disk"])