diff --git a/expandingModel/example.json b/expandingModel/example.json
new file mode 100644
index 0000000..a03f495
--- /dev/null
+++ b/expandingModel/example.json
@@ -0,0 +1,20 @@
+[
+    {
+        "name": "hall",
+        "minSize": [2, 2],
+        "expandable": true,
+        "neighbors": ["kitchen", "elevator"]
+    },
+    {
+        "name": "kitchen",
+        "minSize": [10, 10],
+        "expandable": true,
+        "neighbors": ["hall"]
+    },
+    {
+        "name": "elevator",
+        "minSize": [4, 4],
+        "expandable": false,
+        "neighbors": ["hall"]
+    }
+]
\ No newline at end of file
diff --git a/expandingModel/print.py b/expandingModel/print.py
index ee367f4..64e318c 100644
--- a/expandingModel/print.py
+++ b/expandingModel/print.py
@@ -17,17 +17,15 @@ def __init__(self, fieldWidth, fieldHeight) -> None:
         self.inter_display = pygame.Surface((fieldWidth, fieldHeight))
         self.inter_display.blit(pygame.transform.flip(self.inter_display, False, True), (0, 0))
 
-        self.offX = fieldWidth/2
-        self.offY = fieldHeight/2
+        self.offX = self.offY = fieldHeight/2
 
     def getCords(self, x, y):
-        return (x + self.offX,
-                y + self.offY)
+        return (x + self.offX, y + self.offY)
 
     def printRect(self, r: Rect, color: tuple) -> None:
         x, y = self.getCords(r.a.x, r.a.y)
         pygame.draw.rect(self.inter_display, color,
-                         (x, y, r.width_l + r.width_r, r.height_u + r.height_d))
+            (x, y, r.width_l + r.width_r, r.height_u + r.height_d))
 
     def printAll(self) -> None:
         self.scaleSurface()