local chars = {"-", "\\", "|", "/"}
local cC = 1

term.clear()
term.setCursorPos(1, 1)
print("Processing... ")
turtle.select(1)


function process()
    while true do
        turtle.suckDown()
        if turtle.getItemDetail() ~= nil then
            if turtle.getItemDetail().name == "minecraft:dried_kelp_block" then turtle.drop() end
        end
        if turtle.getItemCount() >= 9 then
            local ninth = math.floor(turtle.getItemCount(1) / 9)
            for i = 1, 8 do
                if i < 3 then turtle.transferTo(i + 1, ninth) end
                if i > 2 and i < 6 then turtle.transferTo(i + 2, ninth) end
                if i > 5 then turtle.transferTo(i + 3, ninth) end
            end
            turtle.craft()
            for i = 1, 16 do
                turtle.select(i)
                if turtle.getItemCount() > 0 and turtle.getItemDetail().name ~= "minecraft:dried_kelp_block" then turtle.transferTo(1) end
                turtle.drop()
            end
            turtle.select(1)
        end
    end
end

function draw()
    while true do
        term.clearLine()
        term.setCursorPos(1, 4)
        cC = cC + 1
        if cC > 4 then cC = 1 end
        term.write(chars[cC])
        os.sleep(0.1)
    end
end

parallel.waitForAll(process, draw)