Bruteforcing enderchests

tickRate = 0.05
fancyMode = true

mon = peripheral.wrap("top")
for a,b in pairs(rs.getSides()) do
    if peripheral.getType(b) == "ender_chest" then
        chest = peripheral.wrap(b)
        b1,b2,b3 = chest.getColors()
        break
    end
end

function monClear()
    mon.clear()
    mon.setCursorPos(1,1)
end

function drawButtons()
for i= 1, y do
    for k=1,x/3+1 do
    mon.setCursorPos(k,i)
    mon.setBackgroundColor(b1)
    mon.write(" ")
    end
end
for i=1, y do
    for k=x/3+1,x/3*2+2 do
    mon.setCursorPos(k,i)
    mon.setBackgroundColor(b2)
    mon.write(" ")
    end
end
for i=1, y do
    for k=x/3*2+2, x+2 do
    mon.setCursorPos(k,i)
    mon.setBackgroundColor(b3)
    mon.write(" ")
    end
end
for i=1, y do
    mon.setBackgroundColor(colors.black)
    mon.setCursorPos(x/3+1,i)
    mon.write(" ")
end
for i=1, y do
    mon.setBackgroundColor(colors.black)
    mon.setCursorPos(x/3*2+1,i)
    mon.write(" ")
end
end

chestList = {}
event = ""
x,y = mon.getSize()

for i=0,15 do -- 2^[0;15] = 1,2,4,8,16,32,64, ... , 32768
    if event == "monitor_touch" then break end
    b1 = 2^i
    for i=0,15 do
        if event == "monitor_touch" then break end
        b2 = 2^i
        for i=0,15 do
            if event == "monitor_touch" then break end
            b3= 2^i
            chest.setColors(b1,b2,b3)
            slot = chest.getStackInSlot(1)
            if slot then
                table.insert(chestList, {b1,b2,b3})
                print(tostring(b1)..","..tostring(b2)..","..tostring(b3).." has some "..slot.name)
            end
            if fancyMode then
                drawButtons()
            end
            os.startTimer(tickRate)
            event = os.pullEvent()
        end
    end
end

chest.setColors(16,16,16)
drawButtons()
sleep(3)

h = fs.open("chestList", "w")
h.write(textutils.serialize(chestList))
h.close()

i=1
while true do
    x,y = mon.getSize()
    event, param1, param2, param3 = os.pullEvent()
    if event == "peripheral" and peripheral.getType(param1) == "ender_chest" then
        chest = peripheral.wrap(param1)
        b1,b2,b3 = chest.getColors()
        mon.setBackgroundColor(colors.black)
        monClear()
        drawButtons()
    elseif event == "peripheral_detach" then
        monClear()
    elseif event == "monitor_touch" then
        goodChest = chestList[i]
        if goodChest == nil then
            i=1
        end
        b1 = goodChest[1]
        b2 = goodChest[2]
        b3 = goodChest[3]
        i=i+1
    end
    chest.setColors(b1,b2,b3)
    drawButtons()
end