turtle.select(1)

while true do
  turtle.select(1)
  if turtle.craft() then
    turtle.select(2)
    turtle.dropDown()
    turtle.select(1)
    turtle.craft()
    while turtle.getItemCount(1) > 0 do
      turtle.select(2)
      turtle.dropDown()
      turtle.select(1)
      if turtle.craft() == false then
          turtle.select(2)
          turtle.dropDown()
          turtle.select(1)
          if (turtle.craft == false and turtle.getItemCount(1) > 0) then
             turtle.dropDown()
             break
          end
      end
      turtle.dropDown()
    end
    turtle.dropDown()
    turtle.select(2)
    turtle.dropDown()
  end
end