diff --git a/v2/entities.py b/v2/entities.py
new file mode 100644
index 0000000..f23babe
--- /dev/null
+++ b/v2/entities.py
@@ -0,0 +1,6 @@
+class MemoryContext:
+  playfieldSize = 0
+  playfieldItems = {}
+
+def memory_createEmptyContext():
+  return MemoryContext()
diff --git a/v2/functions.py b/v2/functions.py
new file mode 100644
index 0000000..abcba66
--- /dev/null
+++ b/v2/functions.py
@@ -0,0 +1,40 @@
+from entities import *
+
+
+# L4: Function.
+
+def memory_generateConstPlayfield(
+  c: MemoryContext
+) -> str:
+  idGroups: dict[int, int] = { }
+  id = 0
+  for gid in range(0, c.playfieldSize):
+    idGroups[id] = gid
+    id += 1
+    idGroups[id] = gid
+    id += 1
+  #}
+  c.playfieldItems = idGroups
+  return "MemoryContext.playfieldItems"
+#}
+
+# L20: Test.
+
+def test_memory_generateConstPlayfield(
+) -> str:
+  c = memory_createEmptyContext()
+  c.playfieldSize = 2
+  fieldName = memory_generateConstPlayfield(c)
+  idGroups = c.playfieldItems
+  if (
+    fieldName == "MemoryContext.playfieldItems" and
+    len(idGroups) == 4 and
+    idGroups[0] == 0 and
+    idGroups[1] == 0 and
+    idGroups[2] == 1 and
+    idGroups[3] == 1
+  ):
+    return "OK: memory_generateConstPlayfield"
+  #}
+  return "ERR: memory_generateConstPlayfield"
+#}
diff --git a/v2/main.py b/v2/main.py
new file mode 100644
index 0000000..01ff942
--- /dev/null
+++ b/v2/main.py
@@ -0,0 +1,4 @@
+from entities import *
+from functions import *
+
+print(test_memory_generateConstPlayfield())