diff --git a/lib/10-community-controller.conf b/lib/10-community-controller.conf
index d8a027f..2175028 100644
--- a/lib/10-community-controller.conf
+++ b/lib/10-community-controller.conf
@@ -1,3 +1,6 @@
 function pub_route_controller_specific() {
     if 4837 ~ bgp_path && (200536, 120, 221) ~ bgp_large_community && REGION ~ [200..299] then bgp_local_pref = 114514;
+    if REGION = 400 && (200536, 121, 500) ~ bgp_large_community && (200536, 122, 410) ~ bgp_large_community then bgp_local_pref = bgp_local_pref + 6;
+    if REGION = 430 && (200536, 121, 430) !~ bgp_large_community && ((200536, 121, 400) ~ bgp_large_community || (200536, 122, 400) ~ bgp_large_community) then bgp_local_pref = bgp_local_pref + 30;
+    if REGION != 430 && (200536, 121, 430) ~ bgp_large_community then bgp_local_pref = bgp_local_pref + filter(bgp_large_community, [(LOCAL_ASN, 122, 430)]).len * 5;
 }
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