diff --git a/v3/main.cpp b/v3/main.cpp
index a8fedd7..561a3f6 100644
--- a/v3/main.cpp
+++ b/v3/main.cpp
@@ -1,14 +1,29 @@
-#include "memory_Context.h"
 #include <iostream>
 #include <string>
 #include <vector>
+#include "memory_test.h"
+#include "memory_Context.h"
 
 extern memory_Context memory_createContext();
 
 int main() {
   memory_createContext();
-  std::cout <<
-    "check" //memory_test_generateConstPlayfield()
+  std::cout
+    << memory_test_generateConstPlayfield()
+    << std::endl
+    << memory_test_selectItem_1x()
+    << std::endl
+    << memory_test_selectItem_2x()
+    << std::endl
+    << memory_test_selectItem_3x()
+    << std::endl
+    << memory_test_shouldDeselectMismatchedItems()
+    << std::endl
+    << memory_test_shouldDeselectMismatchedItems_itemTwice()
+    << std::endl
+    << memory_test_shouldDetectVictory()
+    << std::endl
+    << memory_test_shouldHideMatchingItems()
     << std::endl
     ;
 }
diff --git a/v3/memory.cpp b/v3/memory.cpp
index a18dffd..0b3cb62 100644
--- a/v3/memory.cpp
+++ b/v3/memory.cpp
@@ -1,6 +1,7 @@
 #include <map>
 #include <string>
 #include <vector>
+#include "memory.h"
 #include "memory_Context.h"
 
 ////////////////
diff --git a/v3/memory_test.cpp b/v3/memory_test.cpp
index e5d65dd..390675a 100644
--- a/v3/memory_test.cpp
+++ b/v3/memory_test.cpp
@@ -29,10 +29,10 @@ std::string memory_test_selectItem_1x(
   auto c = memory_createContext();
   c.playfieldSize = 2;
   c = memory_generateConstPlayfield(c);
-  # Select the first item.;
+  // Select the first item.
   c.selectedId = 0;
   c = memory_selectItem(c);
-  # See if it's in selectedItems now.;
+  // See if it's in selectedItems now.
   if (
     c.recentField == "selectedItems" &&
     c.selectedItems.size() == 1 &&
@@ -50,12 +50,12 @@ std::string memory_test_selectItem_2x(
   auto c = memory_createContext();
   c.playfieldSize = 2;
   c = memory_generateConstPlayfield(c);
-  # Select the first two items.;
+  // Select the first two items.
   c.selectedId = 0;
   c = memory_selectItem(c);
   c.selectedId = 1;
   c = memory_selectItem(c);
-  # See if both items are selected now.;
+  // See if both items are selected now.
   if (
     c.recentField == "selectedItems" &&
     c.selectedItems.size() == 2 &&
@@ -74,14 +74,14 @@ std::string memory_test_selectItem_3x(
   auto c = memory_createContext();
   c.playfieldSize = 2;
   c = memory_generateConstPlayfield(c);
-  # Select three items.;
+  // Select three items.
   c.selectedId = 0;
   c = memory_selectItem(c);
   c.selectedId = 1;
   c = memory_selectItem(c);
   c.selectedId = 2;
   c = memory_selectItem(c);
-  # See if only one (last) item is selected now.;
+  // See if only one (last) item is selected now.
   if (
     c.recentField == "selectedItems" &&
     c.selectedItems.size() == 1 &&
@@ -100,14 +100,14 @@ std::string memory_test_shouldDeselectMismatchedItems(
   auto c = memory_createContext();
   c.playfieldSize = 2;
   c = memory_generateConstPlayfield(c);
-  # Select two items of different groups.;
+  // Select two items of different groups.
   c.selectedId = 0;
   c = memory_selectItem(c);
   c.selectedId = 2;
   c = memory_selectItem(c);
-  # Detect mismatching.;
+  // Detect mismatching.
   c = memory_shouldDeselectMismatchedItems(c);
-  # See if the two selected items do not match.;
+  // See if the two selected items do not match.
   if (
     c.recentField == "mismatchedItems" &&
     c.mismatchedItems.size() == 2 &&
@@ -127,14 +127,14 @@ std::string memory_test_shouldDeselectMismatchedItems_itemTwice(
   auto c = memory_createContext();
   c.playfieldSize = 2;
   c = memory_generateConstPlayfield(c);
-  # Select the same item twice.;
+  // Select the same item twice.
   c.selectedId = 0;
   c = memory_selectItem(c);
   c.selectedId = 0;
   c = memory_selectItem(c);
-  # Detect mismatching.;
+  // Detect mismatching.
   c = memory_shouldDeselectMismatchedItems(c);
-  # See if the two selected items do not match.;
+  // See if the two selected items do not match.
   if (
     c.recentField == "mismatchedItems" &&
     c.mismatchedItems.size() == 1 &&
@@ -156,23 +156,23 @@ std::string memory_test_shouldDetectVictory(
   auto c = memory_createContext();
   c.playfieldSize = 2;
   c = memory_generateConstPlayfield(c);
-  # Select the first two items of the same group.;
+  // Select the first two items of the same group.
   c.selectedId = 0;
   c = memory_selectItem(c);
   c.selectedId = 1;
   c = memory_selectItem(c);
-  # Hide the first pair.;
+  // Hide the first pair.
   c = memory_shouldHideMatchingItems(c);
-  # Select the last two items of the same group.;
+  // Select the last two items of the same group.
   c.selectedId = 2;
   c = memory_selectItem(c);
   c.selectedId = 3;
   c = memory_selectItem(c);
-  # Hide the second pair.;
+  // Hide the second pair.
   c = memory_shouldHideMatchingItems(c);
-  # Detect victory.;
+  // Detect victory.
   c = memory_shouldDetectVictory(c);
-  # See if victory has been detected.;
+  // See if victory has been detected.
   if (
     c.recentField == "victory" &&
     c.victory == true
@@ -190,14 +190,14 @@ std::string memory_test_shouldHideMatchingItems(
   auto c = memory_createContext();
   c.playfieldSize = 2;
   c = memory_generateConstPlayfield(c);
-  # Select two items of the same group.;
+  // Select two items of the same group.
   c.selectedId = 0;
   c = memory_selectItem(c);
   c.selectedId = 1;
   c = memory_selectItem(c);
-  # Hide matching items.;
+  // Hide matching items.
   c = memory_shouldHideMatchingItems(c);
-  # See if the two selected items match.;
+  // See if the two selected items match.
   if (
     c.recentField == "hiddenItems" &&
     c.hiddenItems.size() == 2 &&
diff --git a/v3/memory_test.h b/v3/memory_test.h
new file mode 100644
index 0000000..313d8c5
--- /dev/null
+++ b/v3/memory_test.h
@@ -0,0 +1,15 @@
+#include <string>
+
+#ifndef memory_test_HEADER
+#define memory_test_HEADER
+
+std::string memory_test_generateConstPlayfield();
+std::string memory_test_selectItem_1x();
+std::string memory_test_selectItem_2x();
+std::string memory_test_selectItem_3x();
+std::string memory_test_shouldDeselectMismatchedItems();
+std::string memory_test_shouldDeselectMismatchedItems_itemTwice();
+std::string memory_test_shouldDetectVictory();
+std::string memory_test_shouldHideMatchingItems();
+
+#endif // memory_test_HEADER
diff --git a/v3/tPythonC++/CPP.py b/v3/tPythonC++/CPP.py
index 27a503a..97c551c 100644
--- a/v3/tPythonC++/CPP.py
+++ b/v3/tPythonC++/CPP.py
@@ -4,6 +4,7 @@ def includes():
     return """#include <map>
 #include <string>
 #include <vector>
+#include "memory.h"
 #include "memory_Context.h"
 """
 
@@ -47,6 +48,7 @@ def translateStatement(s, state):
     ss = s.lstrip()
     posColon = ss.find(": ")
     posComma = ss.find(", ")
+    posComment = ss.find("# ")
     posCtx = ss.find("c.")
     posEqual = ss.find(" = ")
     posFor = ss.find("for ")
@@ -56,6 +58,10 @@ def translateStatement(s, state):
     posClosingScope = ss.find("#}")
     posOpenSquareBracket = ss.find("[")
 
+    # # -> //
+    if posComment != -1:
+      return replaceComment(s)
+
     # #} -> }
     if posClosingScope != -1:
       return f"{indentation}}}"