diff --git a/test.py b/test.py
new file mode 100644
index 0000000..a5e578c
--- /dev/null
+++ b/test.py
@@ -0,0 +1,50 @@
+from __future__ import annotations
+
+import pygame
+
+
+def main (
+) -> None:
+    pygame.init ()
+    game = Game ()
+    while True:
+        deerjika = Deerjika (game)
+
+
+class Game:
+    def __init__ (
+            self,
+    ):
+        self.screen = pygame.display.set_mode ((CWindow.WIDTH, CWindow.HEIGHT))
+        self.clock = pygame.time.Clock ()
+
+
+class Deerjika:
+    def __init__ (
+            self,
+            game:       Game,
+            pattern:    DeerjikaPattern = DeerjikaPattern.NORMAL,
+            direction:  Direction       = Direction.LEFT,
+    ):
+        self.game = game
+        self.pattern = pattern
+        self.direction = direction
+
+
+class DeerjikaPattern (Enum):
+    NORMAL  = auto ()
+    RELAXED = auto ()
+
+
+class Direction (Enum):
+    LEFT    = auto ()
+    RIGHT   = auto ()
+
+
+class CWindow:
+    WIDTH   = 1024
+    HEIGHT  =  768
+
+
+if __name__ == '__main__':
+    main ()