===================================================================
--- original.js
+++ change.js
@@ -109,8 +109,28 @@
 line2.x = 0;
 line2.y = 2732 / 2 + 50;
 game.addChild(line1);
 game.addChild(line2);
+var line3 = LK.getAsset('dot', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	color: 0x000000
+});
+var line4 = LK.getAsset('dot', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	color: 0x000000
+});
+line3.scaleX = 2048;
+line3.scaleY = 1;
+line3.x = 0;
+line3.y = 2732 - 50;
+line4.scaleX = 2048;
+line4.scaleY = 1;
+line4.x = 0;
+line4.y = 2732 - 100;
+game.addChild(line3);
+game.addChild(line4);
 var leftButton = game.addChild(new LeftButton());
 var rightButton = game.addChild(new RightButton());
 var hero = game.addChild(new Hero());
 hero.x = leftButton.x;