I tried adding it (here's my new script)
local SWITCHES = { {416, 417}, {426, 425}, {446, 447}, {3216, 3217} }
local function doTransformTile(item)
for i, v in pairs(SWITCHES) do
if(item.itemid == v[1]) then
return doTransformItem(item.uid, v[2])
elseif(item.itemid == v[2]) then...