Test

local monitor = peripheral.wrap("top")
local jars = peripheral.getNames()
local numcol = colors.white

monitor.clear()
monitor.setTextColor(numcol)
monitor.setTextScale(1)
for x = 1,17 do
  monitor.setCursorPos(17, x)
  monitor.write("|")
  monitor.setCursorPos(34,x)
  monitor.write("|")
end
monitor.setCursorPos(1,1)

for i,j in pairs(jars) do
  if peripheral.getType(j) == "tilejar" then
    base = peripheral.call(j, "getAspects")[1.0]
    name = base["name"]
    uquantity = base["quantity"]
    if uquantity < 2 and uquantity > -1 then
      numcol = colors.red
    elseif uquantity < 16 and uquantity > 1 then
      numcol = colors.yellow
    elseif uquantity < 32 and uquantity > 15 then
      numcol = colors.yellow
    elseif uquantity < 64 and uquantity > 31 then
      numcol = colors.lightGray
    elseif uquantity == 64 then
      numcol = colors.lime
    else
      numcol = colors.white
    end
    fquantity = string.format(uquantity)
    local cX, cY = monitor.getCursorPos()
    if cY < 18 then
      if cX == 1 then
        monitor.setTextColor(colors.white)
        monitor.write(name)
        monitor.setCursorPos(15, cY)
        monitor.setTextColor(numcol)
        monitor.write(fquantity)
        monitor.setCursorPos(1, cY+1)
      elseif cX == 18 then
        monitor.setTextColor(colors.white)
        monitor.write(name)
        monitor.setCursorPos(32, cY)
        monitor.setTextColor(numcol)
        monitor.write(fquantity)
        monitor.setCursorPos(18, cY+1)
      elseif cX == 35 then
        monitor.setTextColor(colors.white)
        monitor.write(name)
        monitor.setCursorPos(49, cY)
        monitor.setTextColor(numcol)
        monitor.write(fquantity)
        monitor.setCursorPos(35, cY+1)
      end
    elseif cY == 18 then
      if cX == 1 then
        monitor.setCursorPos(18, 1)
        monitor.setTextColor(colors.white)
        monitor.write(name)
        monitor.setCursorPos(32, 1)
        monitor.setTextColor(numcol)
        monitor.write(fquantity)
        monitor.setCursorPos(18, 2)
      elseif cX == 18 then
        monitor.setCursorPos(35, 1)
        monitor.setTextColor(colors.white)
        monitor.write(name)
        monitor.setCursorPos(49, 1)
        monitor.setTextColor(numcol)
        monitor.write(fquantity)
        monitor.setCursorPos(35, 2)
      end
    end
  end
end