cobble compres

local function getCobble()

    turtle.suckDown()
    while turtle.getItemCount() ~= 64 do

        x = 64 - turtle.getItemCount()
        turtle.suckDown(x)

    end

end

while true do

    for a=1,3 do

        turtle.select(a)
        getCobble()

    end

    for a=5,7 do

        turtle.select(a)
        getCobble()

    end

    for a=9,11 do

        turtle.select(a)
        getCobble()

    end

    turtle.select(16)
    turtle.craft()

    turtle.dropUp()

end