removed outside lines

lib/main.dart

@@ -187,8 +187,20 @@ class _TTCGameState extends State<TTCGame> {
     }
   }
 
+  Border _genCellBorder(
+    int index, {
+    BorderSide borderSide = const BorderSide(),
+  }) {
+    return Border(
+      top: index < 3 ? BorderSide.none : borderSide,
+      bottom: index > 5 ? BorderSide.none : borderSide,
+      left: [0, 3, 6].contains(index) ? BorderSide.none : borderSide,
+      right: [2, 5, 8].contains(index) ? BorderSide.none : borderSide,
+    );
+  }
+
   Widget _genCell(int index, TTCState state) => Container(
-      decoration: BoxDecoration(border: Border.all()),
+      decoration: BoxDecoration(border: _genCellBorder(index)),
       child: TTCCell(
         state: state,
         stateSetCallback: () {

todo

@@ -0,0 +1,4 @@
+- seperate game logic from widgets to display
+- ui with options for super and regular game
+- ui for super game
+- firebase for multiplayer game