EnderChestFreq properly formatted

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

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
        if param2 < x/3 then
            if b1 == 32768 then
                b1=1
            else
                b1 = b1*2
            end
        elseif param2 > x/3 and param2 < x/3*2 then
            if b2 == 32768 then
                b2=1
            else
                b2 = b2*2
            end
        elseif param2 >x/3*2 then
            if b3 == 32768 then
                b3=1
            else
                b3 = b3*2
            end
        end
        chest.setColors(b1,b2,b3)
        drawButtons()
    end
end