diff --git a/src/05_OO/a/MP/shapes_main.cpp b/src/05_OO/a/MP/shapes_main.cpp
index 20dbcde..2c96230 100644
--- a/src/05_OO/a/MP/shapes_main.cpp
+++ b/src/05_OO/a/MP/shapes_main.cpp
@@ -31,4 +31,4 @@ int main(int argc, char **argv) {
 
 
     return 0;
-}
+}
\ No newline at end of file
diff --git a/src/05_OO/b/CMakeLists.txt b/src/05_OO/b/CMakeLists.txt
index 336b04e..9151e31 100644
--- a/src/05_OO/b/CMakeLists.txt
+++ b/src/05_OO/b/CMakeLists.txt
@@ -1,7 +1,3 @@
-add_executable(05_OOb_MP
-        MP/main_mp4_OO_b.cpp
-        )
+add_executable(05_OOb_MP MP/main_mp4_OO_b.cpp)
 
-add_executable(05_OOb_Testat
-        Testat/main_mp4_OO_b.cpp
-        )
\ No newline at end of file
+add_executable(05_OOb_Testat Testat/main_mp4_OO_b.cpp)
\ No newline at end of file
diff --git a/src/05_OO/b/MP/main_mp4_OO_b.cpp b/src/05_OO/b/MP/main_mp4_OO_b.cpp
index 8eda322..907263c 100644
--- a/src/05_OO/b/MP/main_mp4_OO_b.cpp
+++ b/src/05_OO/b/MP/main_mp4_OO_b.cpp
@@ -185,10 +185,18 @@ void pattern2() {
    B b;
    C c;
    A a;
-
 }
 
-
+void pattern3() {
+    A a1;
+    {
+        A a2;
+        {
+            B b;
+        }
+        C c;
+    }
+}
 
 
 int main(int argc, const char * argv[]) {
@@ -212,6 +220,8 @@ int main(int argc, const char * argv[]) {
   pattern1();
   std::cout << std::endl;
   pattern2();
+  std::cout << std::endl;
+  pattern3();
 
   return 0;
 }