diff --git a/FloatTool/Common/Calculations.cs b/FloatTool/Common/Calculations.cs
index 5006a97..1296ca0 100644
--- a/FloatTool/Common/Calculations.cs
+++ b/FloatTool/Common/Calculations.cs
@@ -53,28 +53,7 @@ public static bool NextCombination(int[] num, int n)
             }
             return false;
         }
-
-        public static IEnumerable<InputSkin[]> Combinations(InputSkin[] elem, int start, int skip)
-        {
-            int size = elem.Length - 10;
-            int[] numbers = new int[10] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
-            InputSkin[] resultList = new InputSkin[10];
-            bool running = true;
-
-            for (int i = 0; i < start; i++)
-                running = NextCombination(numbers, size);
-
-            while (running)
-            {
-                for (int i = 0; i < 10; ++i)
-                    resultList[i] = elem[numbers[i]];
-                yield return resultList;
-
-                for (int i = 0; i < skip; i++)
-                    running = NextCombination(numbers, size);
-            }
-        }
-
+        
         public static long GetCombinationsCount(int poolSize)
         {
             BigInteger fact1 = poolSize;
diff --git a/FloatTool/Views/BenchmarkWindow.xaml.cs b/FloatTool/Views/BenchmarkWindow.xaml.cs
index 6e7fb50..47d4f81 100644
--- a/FloatTool/Views/BenchmarkWindow.xaml.cs
+++ b/FloatTool/Views/BenchmarkWindow.xaml.cs
@@ -79,8 +79,21 @@ private void PublishResult_Click(object sender, RoutedEventArgs e)
 
         private static void FloatCraftWorkerThread(CraftSearchSetup options)
         {
-            foreach (InputSkin[] resultList in Calculations.Combinations(options.SkinPool, options.ThreadID, options.ThreadCount))
+            int size = options.SkinPool.Length - 10;
+            int[] numbers = new int[10] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
+            InputSkin[] resultList = new InputSkin[10];
+            bool running = true;
+
+            for (int i = 0; i < options.ThreadID; i++)
+                running = Calculations.NextCombination(numbers, size);
+
+            while (running)
             {
+                for (int i = 0; i < 10; ++i)
+                    resultList[i] = options.SkinPool[numbers[i]];
+
+                // Check if the combination is valid
+
                 for (int i = 0; i < options.Outcomes.Length; ++i)
                 {
                     double resultFloat = Calculations.Craft(
@@ -115,7 +128,12 @@ private static void FloatCraftWorkerThread(CraftSearchSetup options)
                 }
 
                 Interlocked.Increment(ref PassedCombinations);
+
+                // Get next combination
+                for (int i = 0; i < options.ThreadCount; i++)
+                    running = Calculations.NextCombination(numbers, size);
             }
+
         }
 
         private void StartBenchmark_Click(object sender, RoutedEventArgs e)
diff --git a/FloatTool/Views/MainWindow.xaml.cs b/FloatTool/Views/MainWindow.xaml.cs
index 29ea6ec..5809eba 100644
--- a/FloatTool/Views/MainWindow.xaml.cs
+++ b/FloatTool/Views/MainWindow.xaml.cs
@@ -186,8 +186,21 @@ private void SetStatus(string stringCode)
 
         private void FloatCraftWorkerThread(CraftSearchSetup options)
         {
-            foreach (InputSkin[] resultList in Calculations.Combinations(options.SkinPool, options.ThreadID, options.ThreadCount))
+            int size = options.SkinPool.Length - 10;
+            int[] numbers = new int[10] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
+            InputSkin[] resultList = new InputSkin[10];
+            bool running = true;
+
+            for (int i = 0; i < options.ThreadID; i++)
+                running = Calculations.NextCombination(numbers, size);
+
+            while (running)
             {
+                for (int i = 0; i < 10; ++i)
+                    resultList[i] = options.SkinPool[numbers[i]];
+
+                // Check if the combination is valid
+
                 for (int i = 0; i < options.Outcomes.Length; ++i)
                 {
                     double resultFloat = Calculations.Craft(
@@ -249,6 +262,11 @@ private void FloatCraftWorkerThread(CraftSearchSetup options)
 
                 if (CancellationToken.IsCancellationRequested)
                     break;
+
+                // Get next combination
+
+                for (int i = 0; i < options.ThreadCount; i++)
+                    running = Calculations.NextCombination(numbers, size);
             }
         }