Code cleanup

WhiteRabbit/VectorsConverter.cs

@@ -9,7 +9,7 @@
         public VectorsConverter(string sourceString)
         {
             var rawNumberOfOccurrences = sourceString.GroupBy(ch => ch).ToDictionary(group => group.Key, group => group.Count());
-            this.IntToChar = rawNumberOfOccurrences.OrderBy(kvp => kvp.Value).ThenBy(kvp => kvp.Key).Select(kvp => kvp.Key).ToArray();
+            this.IntToChar = rawNumberOfOccurrences.OrderBy(kvp => kvp.Key).Select(kvp => kvp.Key).ToArray();
             this.CharToInt = Enumerable.Range(0, this.IntToChar.Length).ToDictionary(i => this.IntToChar[i], i => i);
         }
 

WhiteRabbit/VectorsProcessor.cs

@@ -35,7 +35,6 @@
         public IEnumerable<Vector<byte>[]> GenerateSums(IEnumerable<Vector<byte>> vectors)
         {
             var filteredVectors = FilterVectors(vectors);
-
             var dictionary = ImmutableStack.Create(filteredVectors.ToArray());
             var orderedSums = GenerateOrderedSums(this.Target, ImmutableStack.Create<Vector<byte>>(), dictionary);
             var allSums = orderedSums.SelectMany(GeneratePermutations);
@@ -46,9 +45,7 @@
         private IEnumerable<Vector<byte>> FilterVectors(IEnumerable<Vector<byte>> vectors)
         {
             return vectors
-                .Where(vector => ((this.Target - vector) & Negative) == Vector<byte>.Zero)
-                //.OrderByDescending(vector => this.GetWeight(vector)) //so that letters that are more rare will come first
-                .ToList();
+                .Where(vector => ((this.Target - vector) & Negative) == Vector<byte>.Zero);
         }
 
         [Conditional("DEBUG")]