diff --git a/novikovsd/maze.py b/novikovsd/maze.py
index e69de29..2f364c4 100644
--- a/novikovsd/maze.py
+++ b/novikovsd/maze.py
@@ -0,0 +1,38 @@
+import sys
+import time
+import csv
+from collections import deque
+from heapq import heappush, heappop
+from abc import ABC, abstractmethod
+from typing import List, Optional, Tuple, Dict, Any
+import os
+
+class Cell:
+
+class Maze:
+
+class MazeBuilder(ABC):
+
+class TextFileMazeBuilder(MazeBuilder):
+
+class PathFindingStrategy(ABC):
+
+class BFSStrategy(PathFindingStrategy):
+
+class DFSStrategy(PathFindingStrategy):
+
+class AStarStrategy(PathFindingStrategy):
+
+class SearchStats:
+
+class MazeSolver:
+
+class Observer(ABC):
+
+class ConsoleView(Observer):
+
+class MoveCommand(ABC):
+
+class Player:
+
+class MoveCommandImpl(MoveCommand):
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