altar = peripheral.wrap("front")
whle true do
    os.sleep(1)
    if(turtle.suckUp(1)) then
        oldItem = getItemDetail(1).name
        print("Old item: " .. oldItem)
        turtle.drop(1)
        while true do
            os.sleep(0.5)
            currentItem = altar.getAllStacks()[1]
            print("Current Item: " .. currentItem)
            if(oldItem ~= currentItem) then
                print("Finisched!")
                turle.suck(1)
                trurtle.turnLeft()
                turtle.drop()
                turtle.turnRight()
                break
            end
        end
    end
end