diff --git a/Compare/Compare.cs b/Compare/Compare.cs
index a9891d6..b406860 100644
--- a/Compare/Compare.cs
+++ b/Compare/Compare.cs
@@ -162,7 +162,7 @@ public class Compare
         }
         if (_IsEnvironment.Development && propertyConfiguration.PopulatePropertyId && !mapLogic.KeyValuePairs.Any())
             throw new Exception("Copy keyValuePairs-####.json file");
-        List<Shared.Models.Container> containers = A_Property.Get(propertyConfiguration, propertyLogic);
+        Shared.Models.Container[] containers = A_Property.Get(propertyConfiguration, propertyLogic);
         if (!isSilent)
         {
             _Log.Information("First pass completed");
@@ -743,7 +743,7 @@ public class Compare
         }
     }
 
-    private void ThirdPassToMove(Property.Models.Configuration configuration, Model? model, PredictorModel? predictorModel, Map.Models.MapLogic mapLogic, A_Property propertyLogic, List<Shared.Models.Container> containers, string aPropertyContentCollectionDirectory)
+    private void ThirdPassToMove(Property.Models.Configuration configuration, Model? model, PredictorModel? predictorModel, Map.Models.MapLogic mapLogic, A_Property propertyLogic, Shared.Models.Container[] containers, string aPropertyContentCollectionDirectory)
     {
         if (_Log is null)
             throw new NullReferenceException(nameof(_Log));
@@ -821,7 +821,7 @@ public class Compare
         }
     }
 
-    private void FourthPassCreateWindowsShortcuts(Property.Models.Configuration configuration, Model? model, PredictorModel? predictorModel, Map.Models.MapLogic mapLogic, A_Property propertyLogic, List<Shared.Models.Container> containers, bool saveToCollection, bool keepAll)
+    private void FourthPassCreateWindowsShortcuts(Property.Models.Configuration configuration, Model? model, PredictorModel? predictorModel, Map.Models.MapLogic mapLogic, A_Property propertyLogic, Shared.Models.Container[] containers, bool saveToCollection, bool keepAll)
     {
         if (_Log is null)
             throw new NullReferenceException(nameof(_Log));
diff --git a/Date-Group/DateGroup.cs b/Date-Group/DateGroup.cs
index 24d07ba..d58341d 100644
--- a/Date-Group/DateGroup.cs
+++ b/Date-Group/DateGroup.cs
@@ -61,7 +61,7 @@ public class DateGroup
             _ = Shared.Models.Stateless.Methods.IPath.DeleteEmptyDirectories(propertyConfiguration.RootDirectory);
         if (true || appSettings.MaxDegreeOfParallelism < 2)
             ticks = LogDelta(ticks, nameof(Shared.Models.Stateless.Methods.IPath.DeleteEmptyDirectories));
-        List<Shared.Models.Container> containers = A_Property.Get(propertyConfiguration, propertyLogic);
+        Shared.Models.Container[] containers = A_Property.Get(propertyConfiguration, propertyLogic);
         if (configuration.ByCreateDateShortcut.HasValue && configuration.ByCreateDateShortcut.Value)
             CreateDateShortcut(propertyConfiguration, containers);
         else
@@ -429,7 +429,7 @@ public class DateGroup
             _ = Shared.Models.Stateless.Methods.IPath.DeleteEmptyDirectories(_Configuration.PropertyConfiguration.RootDirectory);
     }
 
-    private static void CreateDateShortcut(Property.Models.Configuration configuration, List<Shared.Models.Container> containers)
+    private static void CreateDateShortcut(Property.Models.Configuration configuration, Shared.Models.Container[] containers)
     {
         string path;
         string fileName;
diff --git a/Instance/DlibDotNet.cs b/Instance/DlibDotNet.cs
index 7f5acef..7d3ef08 100644
--- a/Instance/DlibDotNet.cs
+++ b/Instance/DlibDotNet.cs
@@ -18,6 +18,7 @@ public class DlibDotNet
 {
 
     private readonly D_Face _Faces;
+    private readonly bool _FirstRun;
     private readonly G_Index _Index;
     private readonly C_Resize _Resize;
     private readonly F_Random _Random;
@@ -67,7 +68,15 @@ public class DlibDotNet
         _ArgZeroIsConfigurationRootDirectory = propertyConfiguration.RootDirectory == argZero;
         _Log.Information(configuration.ModelDirectory);
         (Model model, PredictorModel predictorModel, ModelParameter modelParameter) = GetModel(configuration);
-        if (!_ArgZeroIsConfigurationRootDirectory)
+        string propertyRoot = Property.Models.Stateless.IResult.GetResultsGroupDirectory(propertyConfiguration, nameof(A_Property), create: false);
+        if (Directory.Exists(propertyRoot))
+            _FirstRun = false;
+        else
+        {
+            _FirstRun = true;
+            _ = Directory.CreateDirectory(propertyRoot);
+        }
+        if (_FirstRun || !_ArgZeroIsConfigurationRootDirectory)
             people = Array.Empty<Person>();
         else
             people = _People.GetPeople(propertyConfiguration);
@@ -90,8 +99,8 @@ public class DlibDotNet
             _Resize = new C_Resize(configuration.ForceResizeLastWriteTimeToCreationTime, configuration.OverrideForResizeImages, configuration.PropertiesChangedForResize, configuration.ValidResolutions, imageCodecInfo, encoderParameters, filenameExtension);
         }
         if (!configuration.SkipSearch)
-            Search(propertyConfiguration, configuration.Reverse, model, predictorModel, argZero, people, isSilent);
-        if (_Exceptions.Count == 0 && _ArgZeroIsConfigurationRootDirectory)
+            Search(propertyConfiguration, model, predictorModel, argZero, propertyRoot, people, isSilent);
+        if (!_FirstRun && _Exceptions.Count == 0 && _ArgZeroIsConfigurationRootDirectory)
         {
             long ticks = DateTime.Now.Ticks;
             List<string[]> directoryCollections = _Rename.GetDirectoryRenameCollections(propertyConfiguration, model, predictorModel, relativePath: string.Empty, newDirectoryName: string.Empty, jsonFiles4InfoAny: false);
@@ -110,7 +119,7 @@ public class DlibDotNet
         _Log.Information(message);
         if (_Exceptions.Count != 0)
             throw new Exception(message);
-        if (configuration.LoadOrCreateThenSaveDirectoryDistanceResultsForOutputResolutions.Any())
+        if (!_FirstRun && configuration.LoadOrCreateThenSaveDirectoryDistanceResultsForOutputResolutions.Any())
         {
             long ticks = DateTime.Now.Ticks;
             foreach (string outputResolution in configuration.LoadOrCreateThenSaveDirectoryDistanceResultsForOutputResolutions)
@@ -118,6 +127,8 @@ public class DlibDotNet
             if (appSettings.MaxDegreeOfParallelism < 2)
                 ticks = LogDelta(ticks, nameof(E_Distance.LoadOrCreateThenSaveDirectoryDistanceResultsForOutputResolutions));
         }
+        if (_FirstRun)
+            _Log.Information("First run completed. Run again if wanted");
     }
 
     private long LogDelta(long ticks, string? methodName)
@@ -419,14 +430,15 @@ public class DlibDotNet
         }
     }
 
-    private void WriteGroup(Property.Models.Configuration configuration, A_Property propertyLogic, Shared.Models.Property[] propertyCollection, List<List<KeyValuePair<string, string>>> metadataCollection, List<List<Face>> faceCollections, List<Dictionary<string, int[]>> resizeKeyValuePairs, string sourceDirectory, string outputResolution, Item[] filteredItems)
+    private void WriteGroup(Property.Models.Configuration configuration, A_Property propertyLogic, Shared.Models.Property[] propertyCollection, List<List<KeyValuePair<string, string>>> metadataCollection, List<List<Face>> faceCollections, List<Dictionary<string, int[]>> resizeKeyValuePairs, string outputResolution, Container container, Item[] filteredItems)
     {
         Item item;
         string key;
         string json;
         string checkFile;
-        int sourceDirectoryLength = sourceDirectory.Length;
-        _FilePropertiesKeyValuePairs.Add(sourceDirectory, new List<Tuple<string, Shared.Models.Property>>());
+        int sourceDirectoryLength = container.SourceDirectory.Length;
+        if (_ArgZeroIsConfigurationRootDirectory && outputResolution == _Configuration.OutputResolutions[0])
+            _FilePropertiesKeyValuePairs.Add(container.SourceDirectory, new List<Tuple<string, Shared.Models.Property>>());
         JsonSerializerOptions writeIndentedJsonSerializerOptions = new() { WriteIndented = false };
         if (!(from l in propertyCollection where l?.Width is null select true).Any())
         {
@@ -435,7 +447,7 @@ public class DlibDotNet
             List<KeyValuePair<string, Shared.Models.Property>> propertyCollectionKeyValuePairs = new();
             List<KeyValuePair<string, Dictionary<string, int[]>>> resizeKeyValuePairsCollections = new();
             List<KeyValuePair<string, List<KeyValuePair<string, string>>>> metadataCollectionKeyValuePairs = new();
-            (int level, List<string> directories) = Shared.Models.Stateless.Methods.IPath.Get(configuration.RootDirectory, sourceDirectory);
+            (int level, List<string> directories) = Shared.Models.Stateless.Methods.IPath.Get(configuration.RootDirectory, container.SourceDirectory);
             string fileName = string.Concat(string.Join(configuration.FileNameDirectorySeparator, directories), ".json");
             for (int i = 0; i < filteredItems.Length; i++)
             {
@@ -445,8 +457,11 @@ public class DlibDotNet
                 if (item.ImageFileHolder is null)
                     continue;
                 key = Shared.Models.Stateless.Methods.IPath.GetRelativePath(item.ImageFileHolder.FullName, sourceDirectoryLength);
-                _FileKeyValuePairs.Add(new KeyValuePair<string, string>(sourceDirectory, key));
-                _FilePropertiesKeyValuePairs[sourceDirectory].Add(new Tuple<string, Shared.Models.Property>(key, propertyCollection[i]));
+                if (_ArgZeroIsConfigurationRootDirectory && outputResolution == _Configuration.OutputResolutions[0])
+                {
+                    _FileKeyValuePairs.Add(new KeyValuePair<string, string>(container.SourceDirectory, key));
+                    _FilePropertiesKeyValuePairs[container.SourceDirectory].Add(new Tuple<string, Shared.Models.Property>(key, propertyCollection[i]));
+                }
                 faceCollectionsKeyValuePairs.Add(new KeyValuePair<string, List<Face>>(key, faceCollections[i]));
                 propertyCollectionKeyValuePairs.Add(new KeyValuePair<string, Shared.Models.Property>(key, propertyCollection[i]));
                 resizeKeyValuePairsCollections.Add(new KeyValuePair<string, Dictionary<string, int[]>>(key, resizeKeyValuePairs[i]));
@@ -551,7 +566,7 @@ public class DlibDotNet
                 converted: true));
     }
 
-    private void FullDoWork(string argZero, Property.Models.Configuration configuration, Model? model, PredictorModel? predictorModel, long ticks, Map.Models.MapLogic mapLogic, A_Property propertyLogic, List<Container> containers)
+    private void FullDoWork(string argZero, Property.Models.Configuration configuration, Model? model, PredictorModel? predictorModel, string propertyRoot, long ticks, Map.Models.MapLogic mapLogic, A_Property propertyLogic, Container[] containers)
     {
         if (_Log is null)
             throw new NullReferenceException(nameof(_Log));
@@ -574,7 +589,6 @@ public class DlibDotNet
         List<Shared.Models.Property?> nullablePropertyCollection = new();
         List<List<KeyValuePair<string, string>>> metadataCollection = new();
         string aPropertySingletonDirectory = Property.Models.Stateless.IResult.GetResultsDateGroupDirectory(configuration, nameof(A_Property), "{}");
-        string propertyRoot = Property.Models.Stateless.IResult.GetResultsGroupDirectory(configuration, nameof(A_Property));
         foreach (string outputResolution in _Configuration.OutputResolutions)
         {
             _FileKeyValuePairs.Clear();
@@ -596,7 +610,7 @@ public class DlibDotNet
                 nullablePropertyCollection.Clear();
                 propertyFileHolderCollection.Clear();
                 SetAngleBracketCollections(configuration, propertyLogic, outputResolution, container, aResultsFullGroupDirectory, bResultsFullGroupDirectory, cResultsFullGroupDirectory, dResultsFullGroupDirectory);
-                exceptionCount = FullParallelWork(ticks, propertyLogic, outputResolution, bResultsFullGroupDirectory, cResultsFullGroupDirectory, dResultsFullGroupDirectory, d2ResultsFullGroupDirectory, sourceDirectoryChanges, propertyFileHolderCollection, nullablePropertyCollection, metadataCollection, resizeKeyValuePairs, faceCollections, containers.Count, container, filteredItems);
+                exceptionCount = FullParallelWork(ticks, propertyLogic, outputResolution, bResultsFullGroupDirectory, cResultsFullGroupDirectory, dResultsFullGroupDirectory, d2ResultsFullGroupDirectory, sourceDirectoryChanges, propertyFileHolderCollection, nullablePropertyCollection, metadataCollection, resizeKeyValuePairs, faceCollections, containers.Length, container, filteredItems);
 #pragma warning disable
                 ids = (from l in filteredItems where l.Property?.Id is not null select l.Property.Id.Value).ToArray();
 #pragma warning restore
@@ -611,11 +625,11 @@ public class DlibDotNet
                     filteredItems[i].Faces.AddRange(from l in faceCollections[i] select l);
                 propertyCollection = (from l in nullablePropertyCollection where l is not null select l).ToArray();
                 if (_ArgZeroIsConfigurationRootDirectory && exceptionCount == 0)
-                    WriteGroup(configuration, propertyLogic, propertyCollection, metadataCollection, faceCollections, resizeKeyValuePairs, container.SourceDirectory, outputResolution, filteredItems);
+                    WriteGroup(configuration, propertyLogic, propertyCollection, metadataCollection, faceCollections, resizeKeyValuePairs, outputResolution, container, filteredItems);
                 if (_ArgZeroIsConfigurationRootDirectory && exceptionCount == 0 && outputResolution == _Configuration.OutputResolutions[0])
                     mapLogic.AddToMapLogicAllCollection(filteredItems);
                 if (exceptionCount == 0 && _Configuration.LoadOrCreateThenSaveDistanceResultsForOutputResolutions.Contains(outputResolution))
-                    _Distance.LoadOrCreateThenSaveDistanceResults(configuration, eResultsFullGroupDirectory, container.SourceDirectory, outputResolution, sourceDirectoryChanges, filteredItems);
+                    _Distance.LoadOrCreateThenSaveDistanceResults(configuration, eResultsFullGroupDirectory, outputResolution, container, sourceDirectoryChanges, filteredItems);
                 if (Directory.GetFiles(propertyRoot, "*.txt", SearchOption.TopDirectoryOnly).Any())
                 {
                     for (int y = 0; y < int.MaxValue; y++)
@@ -672,11 +686,11 @@ public class DlibDotNet
         return results;
     }
 
-    private void Search(Property.Models.Configuration configuration, bool reverse, Model? model, PredictorModel? predictorModel, string argZero, Person[] people, bool isSilent)
+    private void Search(Property.Models.Configuration configuration, Model? model, PredictorModel? predictorModel, string argZero, string propertyRoot, Person[] people, bool isSilent)
     {
         if (_Log is null)
             throw new NullReferenceException(nameof(_Log));
-        List<Container> containers;
+        Container[] containers;
         long ticks = DateTime.Now.Ticks;
         string aResultsFullGroupDirectory;
         string bResultsFullGroupDirectory;
@@ -687,14 +701,16 @@ public class DlibDotNet
         string d2ResultsFullGroupDirectory;
         Dictionary<string, Person> personKeyValuePairs = A2_People.Convert(people);
         Map.Models.MapLogic mapLogic = new(_AppSettings.MaxDegreeOfParallelism, _Configuration.PropertyConfiguration, _Resize.FilenameExtension, personKeyValuePairs);
-        A_Property propertyLogic = new(_AppSettings.MaxDegreeOfParallelism, _Configuration.PropertyConfiguration, _Resize.FilenameExtension, reverse, model, predictorModel, mapLogic.IndicesFromNew, mapLogic.KeyValuePairs);
+        A_Property propertyLogic = new(_AppSettings.MaxDegreeOfParallelism, _Configuration.PropertyConfiguration, _Resize.FilenameExtension, _Configuration.Reverse, model, predictorModel, mapLogic.IndicesFromNew, mapLogic.KeyValuePairs);
         if (string.IsNullOrEmpty(configuration.RootDirectory))
             containers = A_Property.Get(configuration, propertyLogic);
         else
-            containers = Property.Models.Stateless.Container.GetContainers(configuration, propertyLogic);
-        FullDoWork(argZero, configuration, model, predictorModel, ticks, mapLogic, propertyLogic, containers);
+            containers = Property.Models.Stateless.Container.GetContainers(configuration, _FirstRun, propertyLogic);
+        FullDoWork(argZero, configuration, model, predictorModel, propertyRoot, ticks, mapLogic, propertyLogic, containers);
         foreach (string outputResolution in _Configuration.OutputResolutions)
         {
+            if (_FirstRun)
+                break;
             (aResultsFullGroupDirectory, bResultsFullGroupDirectory, cResultsFullGroupDirectory, dResultsFullGroupDirectory, d2ResultsFullGroupDirectory, eResultsFullGroupDirectory, zResultsFullGroupDirectory) = GetResultsFullGroupDirectories(configuration, model, predictorModel, outputResolution);
             if (_ArgZeroIsConfigurationRootDirectory && _Exceptions.Count == 0 && outputResolution == _Configuration.OutputResolutions[0])
             {
diff --git a/Instance/Models/_E_Distance.cs b/Instance/Models/_E_Distance.cs
index 6d44663..4b6ac29 100644
--- a/Instance/Models/_E_Distance.cs
+++ b/Instance/Models/_E_Distance.cs
@@ -173,7 +173,7 @@ internal class E_Distance
         }
     }
 
-    internal void LoadOrCreateThenSaveDistanceResults(Property.Models.Configuration configuration, string eResultsFullGroupDirectory, string sourceDirectory, string outputResolution, List<Tuple<string, DateTime>> sourceDirectoryChanges, Item[] filteredItems)
+    internal void LoadOrCreateThenSaveDistanceResults(Property.Models.Configuration configuration, string eResultsFullGroupDirectory, string outputResolution, Container container, List<Tuple<string, DateTime>> sourceDirectoryChanges, Item[] filteredItems)
     {
         Item item;
         string json;
@@ -194,7 +194,7 @@ internal class E_Distance
         List<DateTime> dateTimes = (from l in sourceDirectoryChanges where changesFrom.Contains(l.Item1) select l.Item2).ToList();
         List<string> directoryInfoCollection = Property.Models.Stateless.IResult.GetDirectoryInfoCollection(
             configuration,
-            sourceDirectory,
+            container.SourceDirectory,
             eResultsFullGroupDirectory,
             contentDescription: ".tvs File",
             singletonDescription: string.Empty,
@@ -652,7 +652,7 @@ internal class E_Distance
         return results;
     }
 
-    internal Dictionary<string, List<(FaceRecognitionDotNet.FaceEncoding, MappingContainer)>> ParallelWork(int maxDegreeOfParallelism, string[] ignoreRelativePaths, string argZero, long ticks, List<Container> containers)
+    internal Dictionary<string, List<(FaceRecognitionDotNet.FaceEncoding, MappingContainer)>> ParallelWork(int maxDegreeOfParallelism, string[] ignoreRelativePaths, string argZero, long ticks, Container[] containers)
     {
         Dictionary<string, List<(FaceRecognitionDotNet.FaceEncoding, MappingContainer)>> results;
         Dictionary<string, List<MappingContainer>> keyValuePairs = Map.Models.Stateless.IMapLogic.GetKeyValuePairs(ignoreRelativePaths, argZero, containers);
@@ -660,7 +660,7 @@ internal class E_Distance
         return results;
     }
 
-    public void AddToFaceDistance(int maxDegreeOfParallelism, string argZero, long ticks, Map.Models.MapLogic mapLogic, List<Container> containers, string outputResolution, List<(string, int, Mapping, DateTime, bool?, List<(FaceRecognitionDotNet.FaceEncoding, MappingContainer)>)> collection)
+    public void AddToFaceDistance(int maxDegreeOfParallelism, string argZero, long ticks, Map.Models.MapLogic mapLogic, Container[] containers, string outputResolution, List<(string, int, Mapping, DateTime, bool?, List<(FaceRecognitionDotNet.FaceEncoding, MappingContainer)>)> collection)
     {
         if (_Log is null)
             throw new NullReferenceException(nameof(_Log));
@@ -670,7 +670,7 @@ internal class E_Distance
         double deterministicHashCodeKey;
         DateTime dateTime = DateTime.Now;
         List<FaceDistance> faceDistances;
-        int containersCount = containers.Count;
+        int containersCount = containers.Length;
         foreach (Container container in containers)
         {
             if (!container.Items.Any())
@@ -702,7 +702,7 @@ internal class E_Distance
         }
     }
 
-    public static void SavePropertyHolders(string argZero, List<Container> containers, string zPropertyHolderSingletonDirectory)
+    public static void SavePropertyHolders(string argZero, Container[] containers, string zPropertyHolderSingletonDirectory)
     {
         string json;
         FileInfo fileInfo;
diff --git a/Map/Models/MapLogic.cs b/Map/Models/MapLogic.cs
index 240f5de..a7ca2ca 100644
--- a/Map/Models/MapLogic.cs
+++ b/Map/Models/MapLogic.cs
@@ -176,7 +176,7 @@ public class MapLogic
         }
     }
 
-    public void UseKeyValuePairsSaveFaceEncoding(List<Container> containers)
+    public void UseKeyValuePairsSaveFaceEncoding(Container[] containers)
     {
         if (!string.IsNullOrEmpty(_DeterministicHashCodeContentDirectory))
         {
@@ -458,7 +458,7 @@ public class MapLogic
         return results;
     }
 
-    public void AddToClosest(int maxDegreeOfParallelism, string argZero, List<Container> containers)
+    public void AddToClosest(int maxDegreeOfParallelism, string argZero, Container[] containers)
     {
         string key;
         string dateKey;
@@ -508,7 +508,7 @@ public class MapLogic
         }
     }
 
-    private List<(IFileHolder? resizedFileHolder, string directory, FileInfo? faceFileInfo, string checkFile, string shortcutFile, string json)> GetClosest(string argZero, List<Container> containers, string dFacesContentDirectory, string d2ResultsFullGroupDirectory, string zPropertyHolderContentDirectory)
+    private List<(IFileHolder? resizedFileHolder, string directory, FileInfo? faceFileInfo, string checkFile, string shortcutFile, string json)> GetClosest(string argZero, Container[] containers, string dFacesContentDirectory, string d2ResultsFullGroupDirectory, string zPropertyHolderContentDirectory)
     {
         List<(IFileHolder?, string, FileInfo?, string, string, string)> results = new();
         Closest? match;
@@ -609,7 +609,7 @@ public class MapLogic
         return results;
     }
 
-    private List<(IFileHolder? resizedFileHolder, string directory, FileInfo? faceFileInfo, string checkFile, string shortcutFile, string json)> GetMapping(string argZero, List<Container> containers, string dFacesContentDirectory, string d2ResultsFullGroupDirectory, string zPropertyHolderContentDirectory)
+    private List<(IFileHolder? resizedFileHolder, string directory, FileInfo? faceFileInfo, string checkFile, string shortcutFile, string json)> GetMapping(string argZero, Container[] containers, string dFacesContentDirectory, string d2ResultsFullGroupDirectory, string zPropertyHolderContentDirectory)
     {
         List<(IFileHolder?, string, FileInfo?, string, string, string)> results = new();
         string key;
@@ -810,13 +810,13 @@ public class MapLogic
         }
     }
 
-    public void SaveClosest(string argZero, List<Container> containers, string dFacesContentDirectory, string d2ResultsFullGroupDirectory, string zPropertyHolderContentDirectory)
+    public void SaveClosest(string argZero, Container[] containers, string dFacesContentDirectory, string d2ResultsFullGroupDirectory, string zPropertyHolderContentDirectory)
     {
         List<(IFileHolder? resizedFileHolder, string directory, FileInfo? faceFileInfo, string checkFile, string shortcutFile, string json)> collection = GetClosest(argZero, containers, dFacesContentDirectory, d2ResultsFullGroupDirectory, zPropertyHolderContentDirectory);
         Save(collection);
     }
 
-    public void SaveMapping(string argZero, List<Container> containers, string dFacesContentDirectory, string d2ResultsFullGroupDirectory, string zPropertyHolderContentDirectory)
+    public void SaveMapping(string argZero, Container[] containers, string dFacesContentDirectory, string d2ResultsFullGroupDirectory, string zPropertyHolderContentDirectory)
     {
         List<(IFileHolder? resizedFileHolder, string directory, FileInfo? faceFileInfo, string checkFile, string shortcutFile, string json)> collection = GetMapping(argZero, containers, dFacesContentDirectory, d2ResultsFullGroupDirectory, zPropertyHolderContentDirectory);
         Save(collection);
diff --git a/Map/Models/Stateless/IMapLogic.cs b/Map/Models/Stateless/IMapLogic.cs
index 12d8676..846fbbe 100644
--- a/Map/Models/Stateless/IMapLogic.cs
+++ b/Map/Models/Stateless/IMapLogic.cs
@@ -11,8 +11,8 @@ public interface IMapLogic
     static string GetDateKey(DateTime dateTime, Shared.Models.Mapping mapping, DateTime minimumDateTime, bool? isWrongYear) =>
        MapLogic.GetDateKey(dateTime, mapping, minimumDateTime, isWrongYear);
 
-    Dictionary<string, List<Shared.Models.MappingContainer>> TestStatic_GetKeyValuePairs(string[] ignoreRelativePaths, string argZero, List<Shared.Models.Container> containers);
-    static Dictionary<string, List<Shared.Models.MappingContainer>> GetKeyValuePairs(string[] ignoreRelativePaths, string argZero, List<Shared.Models.Container> containers) =>
+    Dictionary<string, List<Shared.Models.MappingContainer>> TestStatic_GetKeyValuePairs(string[] ignoreRelativePaths, string argZero, Shared.Models.Container[] containers);
+    static Dictionary<string, List<Shared.Models.MappingContainer>> GetKeyValuePairs(string[] ignoreRelativePaths, string argZero, Shared.Models.Container[] containers) =>
        MapLogic.GetKeyValuePairs(ignoreRelativePaths, argZero, containers);
 
 }
\ No newline at end of file
diff --git a/Map/Models/Stateless/MapLogic.cs b/Map/Models/Stateless/MapLogic.cs
index 5825ae9..675f810 100644
--- a/Map/Models/Stateless/MapLogic.cs
+++ b/Map/Models/Stateless/MapLogic.cs
@@ -30,7 +30,7 @@ internal abstract class MapLogic
         return result;
     }
 
-    internal static Dictionary<string, List<MappingContainer>> GetKeyValuePairs(string[] ignoreRelativePaths, string argZero, List<Container> containers)
+    internal static Dictionary<string, List<MappingContainer>> GetKeyValuePairs(string[] ignoreRelativePaths, string argZero, Container[] containers)
     {
         Dictionary<string, List<MappingContainer>> results = new();
         string key;
diff --git a/Not-Copy-Copy/Not-Copy-Copy.cs b/Not-Copy-Copy/Not-Copy-Copy.cs
index de76fb1..c34ab37 100644
--- a/Not-Copy-Copy/Not-Copy-Copy.cs
+++ b/Not-Copy-Copy/Not-Copy-Copy.cs
@@ -39,10 +39,10 @@ public class NotCopyCopy
             throw new Exception("This program only allows development environments!");
         A_Property propertyLogic = GetPropertyLogic(reverse, model, outputExtension, predictorModel);
         propertyConfiguration.ChangeRootDirectory(configuration.CompareSource);
-        List<Shared.Models.Container> compareContainers = A_Property.Get(propertyConfiguration, propertyLogic);
+        Shared.Models.Container[] compareContainers = A_Property.Get(propertyConfiguration, propertyLogic);
         propertyConfiguration.ChangeRootDirectory(configuration.SelectedSource);
-        List<Shared.Models.Container> selectedContainers = A_Property.Get(propertyConfiguration, propertyLogic);
-        if (compareContainers.Count == selectedContainers.Count)
+        Shared.Models.Container[] selectedContainers = A_Property.Get(propertyConfiguration, propertyLogic);
+        if (compareContainers.Length == selectedContainers.Length)
             throw new Exception();
         string directoryName;
         List<string> distinct = new();
diff --git a/Property/Models/A_Property.cs b/Property/Models/A_Property.cs
index 2901bb2..7986100 100644
--- a/Property/Models/A_Property.cs
+++ b/Property/Models/A_Property.cs
@@ -140,8 +140,8 @@ public class A_Property
         }
         else if (!isIgnoreExtension && isValidImageFormatExtension)
         {
-            if (populateId && (id is null || !indices.Any()) && !_IndicesFromNew.Any() && !_KeyValuePairs.Any())
-                throw new Exception("In order to keep six character indices at least one need to have an item!");
+            // if (populateId && (id is null || !indices.Any()) && !_IndicesFromNew.Any() && !_KeyValuePairs.Any())
+            //     throw new Exception("In order to keep six character indices at least one need to have an item!");
             try
             {
                 using Image image = Image.FromFile(filteredSourceDirectoryFileHolder.FullName);
@@ -611,7 +611,7 @@ public class A_Property
                                                                            collectionDescription: string.Empty));
     }
 
-    public void ParallelWork(long ticks, List<Shared.Models.Container> containers, bool firstPass)
+    public void ParallelWork(long ticks, Shared.Models.Container[] containers, bool firstPass)
     {
         if (_Log is null)
             throw new NullReferenceException(nameof(_Log));
@@ -619,7 +619,7 @@ public class A_Property
         bool? anyFilesMoved;
         Item[] filteredItems;
         List<Exception> exceptions = new();
-        int containersCount = containers.Count;
+        int containersCount = containers.Length;
         List<Tuple<string, DateTime>> sourceDirectoryChanges = new();
         string propertyRoot = IResult.GetResultsGroupDirectory(_Configuration, nameof(A_Property));
         foreach (Shared.Models.Container container in containers)
@@ -706,12 +706,13 @@ public class A_Property
         return results.OrderBy(l => l.Ticks).ToArray();
     }
 
-    public static List<Shared.Models.Container> Get(Configuration configuration, A_Property propertyLogic)
+    public static Shared.Models.Container[] Get(Configuration configuration, A_Property propertyLogic)
     {
-        List<Shared.Models.Container> results;
+        Shared.Models.Container[] results;
+        bool firstRun = false;
         long ticks = DateTime.Now.Ticks;
         List<string> exceptionsDirectories = new();
-        results = Stateless.Container.GetContainers(configuration, propertyLogic);
+        results = Stateless.Container.GetContainers(configuration, firstRun, propertyLogic);
         propertyLogic.ParallelWork(ticks, results, firstPass: false);
         if (exceptionsDirectories.Any())
             throw new Exception();
diff --git a/Property/Models/Stateless/Container.cs b/Property/Models/Stateless/Container.cs
index c3e81f4..47d9f87 100644
--- a/Property/Models/Stateless/Container.cs
+++ b/Property/Models/Stateless/Container.cs
@@ -144,18 +144,26 @@ public class Container
         return results;
     }
 
-    private static List<Shared.Models.Container> GetContainers(Configuration configuration, string aPropertySingletonDirectory, List<(int, string, FileHolder[], int)> fileHolderGroupCollection, List<(int, string, List<(string, Shared.Models.Property?)>, int)> collectionFromJson)
+    private static Shared.Models.Container[] GetContainers(Configuration configuration, bool firstRun, string aPropertySingletonDirectory, List<(int, string, FileHolder[], int)> fileHolderGroupCollection, List<(int, string, List<(string, Shared.Models.Property?)>, int)> collectionFromJson)
     {
-        List<Shared.Models.Container> results = new();
+        Shared.Models.Container[] results;
         int length;
-        string key;
+        int additional;
         string inferred;
+        string fileName;
+        string extension;
         List<Item> items;
+        string[] existing;
+        string keyWithJson;
         string relativePath;
+        string? directoryName;
+        string extensionLowered;
         FileHolder keyFileHolder;
-        Shared.Models.Container container;
+        string? fileNameWithoutExtension;
         bool isValidImageFormatExtension;
+        Shared.Models.Container container;
         List<string> keySourceDirectories;
+        Dictionary<string, Shared.Models.Container> keyValuePairs = new();
         Dictionary<string, (string SourceDirectory, FileHolder FileHolder)> fileHolderKeyValuePairs = new();
         length = configuration.RootDirectory.Length;
         foreach ((int g, string sourceDirectory, FileHolder[] sourceDirectoryFileHolderCollection, int r) in fileHolderGroupCollection)
@@ -163,8 +171,21 @@ public class Container
             foreach (FileHolder sourceDirectoryFileHolder in sourceDirectoryFileHolderCollection)
             {
                 relativePath = Shared.Models.Stateless.Methods.IPath.GetRelativePath(sourceDirectoryFileHolder.FullName, length);
-                key = string.Concat(relativePath, ".json");
-                fileHolderKeyValuePairs.Add(key, new(sourceDirectory, sourceDirectoryFileHolder));
+                fileHolderKeyValuePairs.Add(relativePath, new(sourceDirectory, sourceDirectoryFileHolder));
+                extension = Path.GetExtension(sourceDirectoryFileHolder.FullName);
+                extensionLowered = Path.GetExtension(sourceDirectoryFileHolder.FullName).ToLower();
+                if (extension != extensionLowered)
+                {
+                    directoryName = Path.GetDirectoryName(sourceDirectoryFileHolder.FullName);
+                    if (string.IsNullOrEmpty(directoryName))
+                        continue;
+                    fileNameWithoutExtension = Path.GetFileNameWithoutExtension(sourceDirectoryFileHolder.FullName);
+                    if (string.IsNullOrEmpty(fileNameWithoutExtension))
+                        continue;
+                    fileName = Path.Combine(directoryName, $"{fileNameWithoutExtension}{extensionLowered}");
+                    relativePath = Shared.Models.Stateless.Methods.IPath.GetRelativePath(fileName, length);
+                    fileHolderKeyValuePairs.Add(relativePath, new(sourceDirectory, sourceDirectoryFileHolder));
+                }
             }
         }
         length = aPropertySingletonDirectory.Length;
@@ -176,9 +197,9 @@ public class Container
             keySourceDirectories = new();
             foreach ((string sourceDirectoryFile, Shared.Models.Property? property) in collection)
             {
-                key = Shared.Models.Stateless.Methods.IPath.GetRelativePath(sourceDirectoryFile, length);
-                relativePath = key[..^5];
-                if (!fileHolderKeyValuePairs.ContainsKey(key))
+                keyWithJson = Shared.Models.Stateless.Methods.IPath.GetRelativePath(sourceDirectoryFile, length);
+                relativePath = keyWithJson[..^5];
+                if (!fileHolderKeyValuePairs.ContainsKey(relativePath))
                 {
                     inferred = string.Concat(configuration.RootDirectory, relativePath);
                     keyFileHolder = new(inferred);
@@ -190,9 +211,9 @@ public class Container
                 }
                 else
                 {
-                    keyFileHolder = fileHolderKeyValuePairs[key].FileHolder;
-                    keySourceDirectories.Add(fileHolderKeyValuePairs[key].SourceDirectory);
-                    if (!fileHolderKeyValuePairs.Remove(key))
+                    keyFileHolder = fileHolderKeyValuePairs[relativePath].FileHolder;
+                    keySourceDirectories.Add(fileHolderKeyValuePairs[relativePath].SourceDirectory);
+                    if (!fileHolderKeyValuePairs.Remove(relativePath))
                         throw new Exception();
                     if (keyFileHolder.ExtensionLowered is ".json")
                         continue;
@@ -210,7 +231,7 @@ public class Container
                 if (keySourceDirectories.Distinct().Count() != 1)
                     continue;
                 container = new(g, r, items, keySourceDirectories[0]);
-                results.Add(container);
+                keyValuePairs.Add(keySourceDirectories[0], container);
             }
         }
         length = configuration.RootDirectory.Length;
@@ -220,10 +241,9 @@ public class Container
             foreach (FileHolder sourceDirectoryFileHolder in sourceDirectoryFileHolderCollection)
             {
                 relativePath = Shared.Models.Stateless.Methods.IPath.GetRelativePath(sourceDirectoryFileHolder.FullName, length);
-                key = string.Concat(relativePath, ".json");
-                if (!fileHolderKeyValuePairs.ContainsKey(key))
+                if (!fileHolderKeyValuePairs.ContainsKey(relativePath))
                     continue;
-                if (!fileHolderKeyValuePairs.Remove(key))
+                if (!fileHolderKeyValuePairs.Remove(relativePath))
                     throw new Exception();
                 if (sourceDirectoryFileHolder.ExtensionLowered is ".json")
                     continue;
@@ -232,19 +252,38 @@ public class Container
             }
             if (items.Any())
             {
-                container = new(g, r, items, sourceDirectory);
-                results.Add(container);
+                if (!keyValuePairs.ContainsKey(sourceDirectory))
+                {
+                    container = new(g, r, items, sourceDirectory);
+                    keyValuePairs.Add(sourceDirectory, container);
+                }
+                else
+                {
+                    additional = 0;
+                    container = keyValuePairs[sourceDirectory];
+                    existing = (from l in container.Items select l.ImageFileHolder?.FullName).ToArray();
+                    foreach (Item item in items)
+                    {
+                        if (item.ImageFileHolder is null || existing.Contains(item.ImageFileHolder.FullName))
+                            continue;
+                        additional += 1;
+                        items.Add(item);
+                    }
+                    container = new(g, r + additional, items, sourceDirectory);
+                    keyValuePairs[sourceDirectory] = container;
+                }
             }
         }
-        if (fileHolderKeyValuePairs.Any())
+        if (!firstRun && fileHolderKeyValuePairs.Any())
             throw new Exception();
-        results = (from l in results orderby l.G, l.R select l).ToList();
+        KeyValuePair<string, Shared.Models.Container>[] sortedKeyValuePairs = (from l in keyValuePairs orderby l.Value.G, l.Value.R select l).ToArray();
+        results = (from l in sortedKeyValuePairs select l.Value).ToArray();
         return results;
     }
 
-    public static List<Shared.Models.Container> GetContainers(Configuration configuration, A_Property propertyLogic)
+    public static Shared.Models.Container[] GetContainers(Configuration configuration, bool firstRun, A_Property propertyLogic)
     {
-        List<Shared.Models.Container> results;
+        Shared.Models.Container[] results;
         string searchPattern = "*";
         List<string> topDirectories = new();
         List<(int g, string sourceDirectory, string[] sourceDirectoryFiles, int r)> jsonCollection;
@@ -254,7 +293,7 @@ public class Container
         jsonCollection = GetJsonGroupCollection(configuration, propertyLogic, aPropertySingletonDirectory);
         fileHolderGroupCollection = GetFileHolderGroupCollection(configuration, propertyLogic, searchPattern, topDirectories);
         collectionFromJson = GetCollection(aPropertySingletonDirectory, jsonCollection);
-        results = GetContainers(configuration, aPropertySingletonDirectory, fileHolderGroupCollection, collectionFromJson);
+        results = GetContainers(configuration, firstRun, aPropertySingletonDirectory, fileHolderGroupCollection, collectionFromJson);
         return results;
     }
 
diff --git a/Property/Models/Stateless/IResult.cs b/Property/Models/Stateless/IResult.cs
index 6b726e3..8e5ecde 100644
--- a/Property/Models/Stateless/IResult.cs
+++ b/Property/Models/Stateless/IResult.cs
@@ -14,9 +14,13 @@ public interface IResult
     static string GetRelativePath(Configuration configuration, string path)
         => Result.GetRelativePath(configuration, path);
 
+    string TestStatic_GetResultsGroupDirectory(Configuration configuration, string description, bool create);
+    static string GetResultsGroupDirectory(Configuration configuration, string description, bool create)
+        => Result.GetResultsGroupDirectory(configuration, description, create);
+
     string TestStatic_GetResultsGroupDirectory(Configuration configuration, string description);
     static string GetResultsGroupDirectory(Configuration configuration, string description)
-        => Result.GetResultsGroupDirectory(configuration, description);
+        => Result.GetResultsGroupDirectory(configuration, description, create: true);
 
     string TestStatic_GetResultsDateGroupDirectory(Configuration configuration, string description);
     static string GetResultsDateGroupDirectory(Configuration configuration, string description)
diff --git a/Property/Models/Stateless/Result.cs b/Property/Models/Stateless/Result.cs
index 335c1a9..b4c617d 100644
--- a/Property/Models/Stateless/Result.cs
+++ b/Property/Models/Stateless/Result.cs
@@ -11,17 +11,17 @@ internal class Result
         return result;
     }
 
-    internal static string GetResultsGroupDirectory(Configuration configuration, string description)
+    internal static string GetResultsGroupDirectory(Configuration configuration, string description, bool create)
     {
         string result = Path.Combine($"{configuration.RootDirectory} - Results", description.Replace("_", ") "));
-        if (!Directory.Exists(result))
+        if (create && !Directory.Exists(result))
             _ = Directory.CreateDirectory(result);
         return result;
     }
 
     internal static string GetResultsDateGroupDirectory(Configuration configuration, string description)
     {
-        string result = Path.Combine(GetResultsGroupDirectory(configuration, description), configuration.DateGroup);
+        string result = Path.Combine(GetResultsGroupDirectory(configuration, description, create: true), configuration.DateGroup);
         if (!Directory.Exists(result))
             _ = Directory.CreateDirectory(result);
         return result;
diff --git a/Shared/Models/Stateless/Methods/IProperty.cs b/Shared/Models/Stateless/Methods/IProperty.cs
index 5c251f7..f94d951 100644
--- a/Shared/Models/Stateless/Methods/IProperty.cs
+++ b/Shared/Models/Stateless/Methods/IProperty.cs
@@ -30,8 +30,8 @@ public interface IProperty
     static string GetDiffRootDirectory(string diffPropertyDirectory) =>
         Property.GetDiffRootDirectory(diffPropertyDirectory);
 
-    bool TestStatic_Any(List<Models.Container> propertyHolderCollections);
-    static bool Any(List<Models.Container> propertyHolderCollections) =>
+    bool TestStatic_Any(Models.Container[] propertyHolderCollections);
+    static bool Any(Models.Container[] propertyHolderCollections) =>
         Property.Any(propertyHolderCollections);
 
     (bool?, string[]) TestStatic_IsWrongYear(string[] segments, string year);
diff --git a/Shared/Models/Stateless/Methods/Property.cs b/Shared/Models/Stateless/Methods/Property.cs
index eaa5f43..6172b19 100644
--- a/Shared/Models/Stateless/Methods/Property.cs
+++ b/Shared/Models/Stateless/Methods/Property.cs
@@ -253,7 +253,7 @@ internal abstract class Property
         return new(j, dateTimes, results);
     }
 
-    internal static bool Any(List<Models.Container> propertyHolderCollections)
+    internal static bool Any(Models.Container[] propertyHolderCollections)
     {
         bool result = false;
         foreach (Models.Container container in propertyHolderCollections)