diff --git a/ADO2024/PI4/Helper-2024-12-24.cs b/ADO2024/PI4/Helper-2024-12-24.cs
index 8bb5602..d37479a 100644
--- a/ADO2024/PI4/Helper-2024-12-24.cs
+++ b/ADO2024/PI4/Helper-2024-12-24.cs
@@ -161,6 +161,47 @@ internal static partial class Helper20241224
         }
     }
 
+    private static ReadOnlyDictionary<string, List<FileInfo>> GetKeyValuePairs(string directory, string searchPattern, string split)
+    {
+        string key;
+        List<FileInfo>? collection;
+        Dictionary<string, List<FileInfo>> results = [];
+        string[] files = Directory.GetFiles(directory, searchPattern, SearchOption.TopDirectoryOnly);
+        FileInfo[] fileInfoCollection = files.Select(l => new FileInfo(l)).ToArray();
+        foreach (FileInfo fileInfo in fileInfoCollection.OrderBy(l => l.LastWriteTime))
+        {
+            key = fileInfo.Name.Split(split)[0];
+            if (!results.TryGetValue(key, out collection))
+            {
+                results.Add(key, []);
+                if (!results.TryGetValue(key, out collection))
+                    throw new Exception();
+            }
+            collection.Add(fileInfo);
+        }
+        return results.AsReadOnly();
+    }
+
+    private static void DeleteFirst(string directory)
+    {
+        string checkFile;
+        FileInfo fileInfo;
+        ReadOnlyDictionary<string, List<FileInfo>> keyValuePairs = GetKeyValuePairs(directory, "*.tar", $"-{DateTime.Now.Year}-");
+        foreach (KeyValuePair<string, List<FileInfo>> keyValuePair in keyValuePairs)
+        {
+            if (keyValuePair.Value.Count < 3)
+                continue;
+            for (int i = 1; i < keyValuePair.Value.Count - 1; i++)
+            {
+                fileInfo = keyValuePair.Value[i];
+                checkFile = Path.Combine($"{fileInfo.Directory}-Delete", fileInfo.Name);
+                if (File.Exists(checkFile))
+                    continue;
+                File.Move(fileInfo.FullName, checkFile);
+            }
+        }
+    }
+
     internal static void Compare(ILogger<Worker> logger, List<string> args)
     {
         string host = args[2];
@@ -168,6 +209,7 @@ internal static partial class Helper20241224
         string format = NginxFileSystem.GetFormat();
         TimeZoneInfo timeZoneInfo = TimeZoneInfo.Local;
         string compareDirectory = Path.GetFullPath(args[0]);
+        DeleteFirst(compareDirectory);
         logger.LogInformation("Comparing files on {host}", host);
         ReadOnlyCollection<Record> records = GetRecord(format, timeZoneInfo, host, new([rootDirectoryName]), compareDirectory);
 #if ShellProgressBar