startup

local var1
local var2
local var3
local var4 = true
local con1 = 1


function test()
  itemcount = turtle.getItemCount()
  if itemcount == 64 then
    var1 = true
    var2 = 0
  else
    var1 = false
    var2 = 64 - itemcount
  end
end

function mine()
    for i = 1 , var2 do
      var3 = turtle.detect()
      while var3 == false do
        var3 = turtle.detect()
      end
      turtle.dig()
    end
end

function craft()
  turtle.select(16)
  for m = 1 , 64 do
    turtle.craft(1)
    turtle.dropDown(1)
  end
end

function shift()
  turtle.select(4)
  turtle.transferTo(10)
  turtle.select(8)
  turtle.transferTo(11)
end

turtle.select(16)
test()
if var2 > 0 then
  turtle.dropDown()
end

turtle.select(10)
test()
if not var2 == 0 then
  turtle.select(11)
  test()
  if not var2 == 0 then
    craft()
  end
else
  turtle.select(8)
  turtle.transferTo(11)
  craft()
end

while con1 == 1 do
  for k = 1 , 9 do
    turtle.select(k)
    test()
    mine()
    shift()

    craft()
  end
end