diff --git a/e2e_complex_file_1.txt b/e2e_complex_file_1.txt
new file mode 100644
index 0000000..2a0630d
--- /dev/null
+++ b/e2e_complex_file_1.txt
@@ -0,0 +1,8 @@
+Line 1: Initial content.
+Line 2: This line has been modified significantly.
+Line 3: Some context here.
+# Line 4 deleted
+Line 5: More context.
+Line 6: Even more context - adding modification here too.
+Line 7: Final initial line.
+Line 8: Added a new line near the end.
diff --git a/e2e_complex_file_2.py b/e2e_complex_file_2.py
new file mode 100644
index 0000000..f2ee36a
--- /dev/null
+++ b/e2e_complex_file_2.py
@@ -0,0 +1,10 @@
+def complex_function(param_a, param_b): # Renamed function and params
+    # Initial comment remains
+    # Added another comment
+    intermediate = param_a * 2 # Changed logic slightly
+    result = intermediate + param_b # Use new variable
+    print(f"The complex result is: {result}") # Modified print
+    return result
+
+# Line after function
+# Added another line unrelated