diff --git a/display_assets.py b/display_assets.py
index 54b40e4..62fbcfd 100644
--- a/display_assets.py
+++ b/display_assets.py
@@ -7,8 +7,8 @@ import project_constants as const
 def calculate_screen_position(row, column):
 
     coords = (
-        const.V_SCREEN_PADDING + const.V_TILE_SIZE * column,
-        const.V_SCREEN_PADDING + const.V_TILE_SIZE * row,
+        const.V_NUMBER_PADDING + const.V_SCREEN_PADDING + const.V_TILE_SIZE * column,
+        const.V_NUMBER_PADDING + const.V_SCREEN_PADDING + const.V_TILE_SIZE * row,
     )
 
     return coords
diff --git a/main.py b/main.py
index 802d310..7cefe05 100644
--- a/main.py
+++ b/main.py
@@ -25,11 +25,13 @@ def main():
     # create an instance of Minefield, pass necessary data
     minefield = mf.Minefield(const.MAP_RANDOM_10x10)
 
-    # get sequence of actions found by BFS algorythm
-    action_sequence = bfs.graphsearch(initial_state=bfs.State(row=minefield.agent.position[0],
-                                                              column=minefield.agent.position[1],
-                                                              direction=const.Direction.UP),
-                                      minefield=minefield)
+    # get sequence of actions found by BFS algorithm
+    action_sequence = bfs.graphsearch(
+        initial_state=bfs.State(
+            row=minefield.agent.position[0],
+            column=minefield.agent.position[1],
+            direction=const.Direction.UP),
+       minefield=minefield)
 
     running = True
     while running:
diff --git a/minefield.py b/minefield.py
index d82c039..070b7fb 100644
--- a/minefield.py
+++ b/minefield.py
@@ -59,8 +59,8 @@ class Minefield:
     @staticmethod
     def calculate_screen_position(row, column):
         coords = (
-            const.V_SCREEN_PADDING + const.V_TILE_SIZE * column,
-            const.V_SCREEN_PADDING + const.V_TILE_SIZE * row,
+            const.V_NUMBER_PADDING + const.V_SCREEN_PADDING + const.V_TILE_SIZE * column,
+            const.V_NUMBER_PADDING + const.V_SCREEN_PADDING + const.V_TILE_SIZE * row,
         )
 
         return coords
diff --git a/project_constants.py b/project_constants.py
index c9447c8..b49d62f 100644
--- a/project_constants.py
+++ b/project_constants.py
@@ -14,21 +14,23 @@ from enum import Enum
 # ================= #
 
 V_NAME_OF_WINDOW = "MineFusion TM"
-ASSETS_DIR = os.path.join("resources", "assets")
+DIR_ASSETS = os.path.join("resources", "assets")
 V_FPS = 60
 
 ACTION_INTERVAL = 1   # interval between two actions in seconds
 
 V_TILE_SIZE = 60
-V_GRID_VER_TILES = V_GRID_HOR_TILES = 10  # vertical (number of rows), horizontal (number of columns)
+V_GRID_VER_TILES = 10   # vertical (number of rows)
+V_GRID_HOR_TILES = 10   # horizontal (number of columns)
 V_SCREEN_PADDING = 10
-V_WINDOW_HEIGHT = V_TILE_SIZE * V_GRID_VER_TILES
-V_WINDOW_WIDTH = V_TILE_SIZE * V_GRID_HOR_TILES
+V_NUMBER_PADDING = 50
+V_TILE_AREA_HEIGHT = V_TILE_SIZE * V_GRID_VER_TILES
+V_TILE_AREA_WIDTH = V_TILE_SIZE * V_GRID_HOR_TILES
 
 SCREEN = pygame.display.set_mode(
     (
-        V_TILE_SIZE * V_GRID_HOR_TILES + 2 * V_SCREEN_PADDING,  # screen width
-        V_TILE_SIZE * V_GRID_HOR_TILES + 2 * V_SCREEN_PADDING  # screen height
+        V_TILE_AREA_WIDTH + 2 * V_SCREEN_PADDING + V_NUMBER_PADDING,  # screen width
+        V_TILE_AREA_HEIGHT + 2 * V_SCREEN_PADDING + V_NUMBER_PADDING   # screen height
     )
 )
 
@@ -48,7 +50,7 @@ class Direction(Enum):
         v = (self.value + 1) % 4
         return Direction(v)
 
-    def previous (self):
+    def previous(self):
         v = (self.value - 1) % 4
         return Direction(v)
 
@@ -113,71 +115,71 @@ MAP_RANDOM_10x10 = os.path.join("resources", "minefields", "secondmap.json")
 # ============== #
 
 ASSET_BACKGROUND = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "new_grid.png")),
-    (V_WINDOW_WIDTH, V_WINDOW_WIDTH)
+    pygame.image.load(os.path.join(DIR_ASSETS, "numbered_grid.png")),
+    (650, 650)
 )
 
 ASSET_SAPPER = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "robot_sapper.png")),
+    pygame.image.load(os.path.join(DIR_ASSETS, "robot_sapper.png")),
     (V_TILE_SIZE, V_TILE_SIZE)
 )
 
 ASSET_WALL = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "brick_wall.png")),
+    pygame.image.load(os.path.join(DIR_ASSETS, "brick_wall.png")),
     (V_TILE_SIZE, V_TILE_SIZE)
 )
 
 ASSET_MINE_A = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "mine_a.png")),
+    pygame.image.load(os.path.join(DIR_ASSETS, "simple assets/mine_a.png")),
     (V_TILE_SIZE, V_TILE_SIZE)
 )
 
 ASSET_MINE_B = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "mine_b.png")),
+    pygame.image.load(os.path.join(DIR_ASSETS, "simple assets/mine_b.png")),
     (V_TILE_SIZE, V_TILE_SIZE)
 )
 
 ASSET_MINE_F = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "mine_f.png")),
+    pygame.image.load(os.path.join(DIR_ASSETS, "simple assets/mine_f.png")),
     (V_TILE_SIZE, V_TILE_SIZE)
 )
 
 ASSET_MINE_K = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "mine_k.png")),
+    pygame.image.load(os.path.join(DIR_ASSETS, "simple assets/mine_k.png")),
     (V_TILE_SIZE, V_TILE_SIZE)
 )
 
 ASSET_TILE_ORANGE = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "tile_orange.png")),
+    pygame.image.load(os.path.join(DIR_ASSETS, "tile_orange.png")),
     (V_TILE_SIZE, V_TILE_SIZE)
 )
 
 ASSET_TILE_RED = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "tile_red.png")),
+    pygame.image.load(os.path.join(DIR_ASSETS, "tile_red.png")),
     (V_TILE_SIZE, V_TILE_SIZE)
 )
 
 ASSET_TILE_BLUE = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "tile_blue.png")),
+    pygame.image.load(os.path.join(DIR_ASSETS, "tile_blue.png")),
     (V_TILE_SIZE, V_TILE_SIZE)
 )
 
 ASSET_TILE_PURPLE = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "tile_purple.png")),
+    pygame.image.load(os.path.join(DIR_ASSETS, "tile_purple.png")),
     (V_TILE_SIZE, V_TILE_SIZE)
 )
 
 ASSET_TILE_GREEN = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "tile_green.png")),
+    pygame.image.load(os.path.join(DIR_ASSETS, "tile_green.png")),
     (V_TILE_SIZE, V_TILE_SIZE)
 )
 
 ASSET_TILE_YELLOW = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "tile_yellow.png")),
+    pygame.image.load(os.path.join(DIR_ASSETS, "tile_yellow.png")),
     (V_TILE_SIZE, V_TILE_SIZE)
 )
 
 ASSET_TILE_WHITE = pygame.transform.scale(
-    pygame.image.load(os.path.join(ASSETS_DIR, "tile_white.png")),
+    pygame.image.load(os.path.join(DIR_ASSETS, "tile_white.png")),
     (V_TILE_SIZE, V_TILE_SIZE)
 )
diff --git a/resources/assets/chained_mine.png b/resources/assets/chained_mine.png
deleted file mode 100644
index 5a5abbc..0000000
Binary files a/resources/assets/chained_mine.png and /dev/null differ
diff --git a/resources/assets/numbered_grid.png b/resources/assets/numbered_grid.png
new file mode 100644
index 0000000..a7429f4
Binary files /dev/null and b/resources/assets/numbered_grid.png differ
diff --git a/resources/assets/mine_a.png b/resources/assets/simple assets/mine_a.png
similarity index 100%
rename from resources/assets/mine_a.png
rename to resources/assets/simple assets/mine_a.png
diff --git a/resources/assets/mine_b.png b/resources/assets/simple assets/mine_b.png
similarity index 100%
rename from resources/assets/mine_b.png
rename to resources/assets/simple assets/mine_b.png
diff --git a/resources/assets/mine_f.png b/resources/assets/simple assets/mine_f.png
similarity index 100%
rename from resources/assets/mine_f.png
rename to resources/assets/simple assets/mine_f.png
diff --git a/resources/assets/mine_k.png b/resources/assets/simple assets/mine_k.png
similarity index 100%
rename from resources/assets/mine_k.png
rename to resources/assets/simple assets/mine_k.png
diff --git a/resources/assets/sapper.png b/resources/assets/simple assets/sapper.png
similarity index 100%
rename from resources/assets/sapper.png
rename to resources/assets/simple assets/sapper.png
diff --git a/searching_algorithms/bfs.py b/searching_algorithms/bfs.py
index 309c2be..c93dca0 100644
--- a/searching_algorithms/bfs.py
+++ b/searching_algorithms/bfs.py
@@ -6,7 +6,7 @@ from project_constants import Direction, Action
 from minefield import Minefield
 
 # temporary goal for testing
-GOAL = (13, 9)
+GOAL = (9, 9)
 
 
 class State: