auto(200)

for x, y in screentiles(ORDER_RADIAL, 1) do
        if table.find({2118, 2119, 2122, 2121}, topitem(x, y, $posz).id) then
                pausewalking(20000)
        end
 if table.find({2118, 2119, 2122, 2121}, topitem(x, y, $posz+1).id) then
                pausewalking(20000)
        end
 if table.find({2118, 2119, 2122, 2121}, topitem(x, y, $posz-1).id) then
                pausewalking(20000)
        end
end