update them

src/puzzle/ThemePoolBuilderLength.java

@@ -59,7 +59,7 @@ public class ThemePoolBuilderLength {
       List<String> feeds     = new ArrayList<>(DEFAULT_FEEDS);
       String       outDir    = "./out";
       
-      int bridgeN         = 42000;
+      int bridgeN         = 32000;
       int themeN          = 800;
       int relatedN        = 2200;
       int rssItemsPerFeed = 10;