diff --git a/patterns.js b/patterns.js
index bea8b9f..3cf44ef 100644
--- a/patterns.js
+++ b/patterns.js
@@ -2,33 +2,18 @@ const fs = require("fs");
 const analysis = require("./analysis");
 const knn = require("./site/js/knn");
 
-if (!fs.existsSync("patterns")) fs.mkdirSync("patterns");
-
-if (!fs.existsSync("patterns/sorted-billa-spar.json")) {
-    const items = analysis.readJSON("data/latest-canonical.json.br");
-    const billaSparItem = items
-        .filter((item) => item.store == "billa" || item.store == "spar")
-        .filter((item) => {
-            return !(
-                item.name.includes("Clever") ||
-                item.name.includes("S-BUDGET") ||
-                item.name.includes("Ja! Natürlich") ||
-                item.name.includes("SPAR") ||
-                item.name.includes("BILLA")
-            );
-        });
-    knn.vectorizeItems(billaSparItem);
-    const billaItems = billaSparItem.filter((item) => item.store == "billa");
-    const sparItems = billaSparItem.filter((item) => item.store == "spar");
-
-    console.log(billaItems.length + " " + sparItems.length);
+function similaritySort(items, filter, filterA, filterB) {
+    const filteredItems = items.filter(filter);
+    knn.vectorizeItems(filteredItems);
+    const itemsA = filteredItems.filter(filterA);
+    const itemsB = filteredItems.filter(filterB);
     const sortedItems = [];
 
-    sparItems.forEach((item) => (item.sorted = false));
-    const total = billaItems.length;
-    while (billaItems.length > 0) {
-        const refItem = billaItems.shift();
-        const similar = knn.findMostSimilarItem(refItem, sparItems);
+    itemsB.forEach((item) => (item.sorted = false));
+    const total = itemsA.length;
+    while (itemsA.length > 0) {
+        const refItem = itemsA.shift();
+        const similar = knn.findMostSimilarItem(refItem, itemsB);
         if (similar.item != null) {
             sortedItems.push(refItem);
             sortedItems.push(similar.item);
@@ -37,32 +22,70 @@ if (!fs.existsSync("patterns/sorted-billa-spar.json")) {
         }
         if (sortedItems.length % 100 == 0) console.log(sortedItems.length / 2 + "/" + total);
     }
+    return sortedItems;
+}
+
+function filterSimilarItems(items) {
+    const filteredItems = [];
+    for (let i = 0; i < items.length; i += 2) {
+        const a = items[i];
+        const b = items[i + 1];
+        if (b.priceHistory.some((price) => price.price == a.price) && a.quantity == b.quantity) {
+            filteredItems.push(a);
+            filteredItems.push(b);
+        }
+    }
+    return filteredItems;
+}
+
+if (!fs.existsSync("patterns")) fs.mkdirSync("patterns");
+
+if (!fs.existsSync("patterns/sorted-billa-spar.json")) {
+    const items = analysis.readJSON("data/latest-canonical.json.br");
+    const sortedItems = similaritySort(
+        items,
+        (item) => {
+            if (!(item.store == "billa" || item.store == "spar")) return false;
+            return !["Clever", "S-BUDGET", "Ja! Natürlich", "SPAR", "BILLA"].some((str) => item.name.includes(str));
+        },
+        (item) => item.store === "billa",
+        (item) => item.store === "spar"
+    );
     analysis.writeJSON("patterns/sorted-billa-spar.json", sortedItems);
 }
 
-const sortedItems = analysis.readJSON("patterns/sorted-billa-spar.json");
-const filteredItems = [];
-let result = "";
-for (let i = 0; i < sortedItems.length; i += 2) {
-    const a = sortedItems[i];
-    const b = sortedItems[i + 1];
-    const similarity = knn.dotProduct(a.vector, b.vector);
-    result += "billa " + a.name + "\n";
-    result += "spar  " + b.name + " " + similarity.toFixed(5) + "\n\n";
-
-    if (b.priceHistory.some((price) => price.price == a.price) && a.quantity == b.quantity) {
-        filteredItems.push(a);
-        filteredItems.push(b);
-    }
+{
+    const sortedItems = analysis.readJSON("patterns/sorted-billa-spar.json");
+    const filteredItems = filterSimilarItems(sortedItems);
+    analysis.writeJSON("site/data/billa-spar-cart.json", {
+        name: "Markenprodukte Billa/Spar",
+        items: filteredItems.map((item) => {
+            return { store: item.store, id: item.id };
+        }),
+    });
+}
+
+if (!fs.existsSync("patterns/sorted-budget.json")) {
+    const items = analysis.readJSON("data/latest-canonical.json.br");
+    const sortedItems = similaritySort(
+        items,
+        (item) => {
+            if (!(item.store == "billa" || item.store == "spar")) return false;
+            return ["Clever", "S-BUDGET"].some((str) => item.name.includes(str));
+        },
+        (item) => item.store === "billa",
+        (item) => item.store === "spar"
+    );
+    analysis.writeJSON("patterns/sorted-budget.json", sortedItems);
+}
+
+{
+    const sortedItems = analysis.readJSON("patterns/sorted-budget.json");
+    const filteredItems = filterSimilarItems(sortedItems);
+    analysis.writeJSON("site/data/budget-cart.json", {
+        name: "Diskont-Marken Produkte Billa/Spar",
+        items: filteredItems.map((item) => {
+            return { store: item.store, id: item.id };
+        }),
+    });
 }
-console.log("Sorted: " + sortedItems.length);
-analysis.writeJSON("patterns/sorted-billa-spar-cart.json", { name: "Billa Spar Sortiert", items: sortedItems });
-console.log("Filtered: " + filteredItems.length);
-analysis.writeJSON("patterns/sorted-billa-spar-filtered-cart.json", { name: "Billa Spar Sortiert Gefiltert", items: filteredItems });
-analysis.writeJSON("site/data/billa-spar-cart.json", {
-    name: "Markenprodukte Billa/Spar",
-    items: filteredItems.map((item) => {
-        return { store: item.store, id: item.id };
-    }),
-});
-fs.writeFileSync("patterns/sorted-billa-spar.txt", result, "utf-8");
diff --git a/site/views/items-list.js b/site/views/items-list.js
index b4a7417..fa97348 100644
--- a/site/views/items-list.js
+++ b/site/views/items-list.js
@@ -88,7 +88,7 @@ class ItemsList extends View {
         elements.json.addEventListener("click", (event) => {
             event.preventDefault();
             if (!this.model) return;
-            this.download(this.model.filteredItems);
+            this.download(this.model.filteredItems, true);
         });
 
         elements.csv.addEventListener("click", (event) => {