IC2 Glass Crafting

function Absorb(slot, upDown)
    turtle.select(slot)
    local count = turtle.getItemCount(slot)
    while count < 1 do
        if upDown then
            turtle.suckUp(1)
        else
            turtle.suckDown(1)
        end
        count = turtle.getItemCount(slot)
    end
end

local up = true
local down = false

while true do
    Absorb(1, down)
    Absorb(2, down)
    Absorb(3, down)
    Absorb(5, up)
    Absorb(6, down)
    Absorb(7, up)
    Absorb(9, down)
    Absorb(10, down)
    Absorb(11, down)
    turtle.craft()
    for i=1,16,1 do
        while turtle.getItemCount(i) > 0 do
            turtle.select(i)
            turtle.drop()
        end
    end
end