diff --git a/utils/Analyze.java b/utils/Analyze.java
new file mode 100644
index 0000000..33b9536
--- /dev/null
+++ b/utils/Analyze.java
@@ -0,0 +1,47 @@
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+
+public class Analyze {
+
+    public static void main(String[] args)
+    {
+        String match = args.length > 1 ? args[1] : "";
+        BufferedReader reader;
+        try {
+            reader = new BufferedReader(new FileReader(
+                                            args[0]));
+            String prevline = reader.readLine();
+            String line = reader.readLine();
+            while (line != null) {
+                if (line.indexOf(match) >= 0) {
+                    boolean space = false;
+                    for (int i=0; i<line.length()-4; i+=2) {
+                        if (i < prevline.length()-1 && i < line.length()-1 &&
+                            line.charAt(i) == prevline.charAt(i) &&
+                            line.charAt(i+1) == prevline.charAt(i+1))
+                        {
+                            space = true;
+                        }
+                        else
+                        {
+                            if (space) {
+                                System.out.print(" ("+i/2+")");
+                                space = false;
+                            }
+                            System.out.print(line.charAt(i));
+                            System.out.print(line.charAt(i+1));
+                        }
+                    }
+                    System.out.println();
+                    prevline = line;
+                }
+                line = reader.readLine();
+            }
+            reader.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+}