diff --git a/src/map.py b/src/map.py
index d313b41..3d9f838 100644
--- a/src/map.py
+++ b/src/map.py
@@ -16,23 +16,23 @@ color_border = (55, 35, 70)     # dark violet
 class Map:
     def __init__(self):
         self.map = [
-            "WWWWWWWWWWWWWWWWWGGWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW"
-            "WRRRRRRRRRRRRRRRWGGWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
-            "WRRRRRRRRRRRRRRRWGGWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
-            "WRRRRRRRRRRRRRRRWGGWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
-            "WRRRRRRRRRRRRRRRWGGWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
-            "WRRRRRRRRRRRRRRRWGGWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
-            "WRRRRRRRRRRRRRRRWGGWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
-            "WRRRRRRRRRRRRRRRWGGWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
-            "WRRRRRRRRRRRRRRRWGGWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
-            "WRRRRRRRRRRRRRRRWGGWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
-            "WRRRRRRRRRRRRRRRWGGWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
-            "WWWWWWWWWWWWWTTWWGGWWWWWWWWWWWWWTTWWWTTWWWWWWWWWWWWW"
-            "WGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGW"
-            "WGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGW"
-            "WGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGW"
-            "WGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGW"
-            "WGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGW"
+            "WWWWWWWWWWWWWWWWWHHWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW"
+            "WRRRRRRRRRRRRRRRWHHWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
+            "WRRRRRRRRRRRRRRRWHHWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
+            "WRRRRRRRRRRRRRRRWHHWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
+            "WRRRRRRRRRRRRRRRWHHWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
+            "WRRRRRRRRRRRRRRRWHHWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
+            "WRRRRRRRRRRRRRRRWHHWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
+            "WRRRRRRRRRRRRRRRWHHWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
+            "WRRRRRRRRRRRRRRRWHHWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
+            "WRRRRRRRRRRRRRRRWHHWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
+            "WRRRRRRRRRRRRRRRWHHWRRRRRRRRRRRRRRRWRRRRRRRRRRRRRRRW"
+            "WWWWWWWWWWWWWDDWWHHWWWWWWWWWWWWWDDWWWDDWWWWWWWWWWWWW"
+            "WHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHW"
+            "WHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHW"
+            "WHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHW"
+            "WHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHW"
+            "WHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHW"
             "WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW"
         ]
 
@@ -47,4 +47,8 @@ class Map:
             return self.map[row][column]
         return "W"
 
+    def is_accessible(self, column: int, row: int) -> bool:
+        return self.get_tile(column, row) in ("R", "D,", "H", "S")
+
+