diff --git a/8By8/8By8.ino b/8By8/8By8.ino
index ee45739..5bc0133 100644
--- a/8By8/8By8.ino
+++ b/8By8/8By8.ino
@@ -80,80 +80,33 @@ void setup() {
   randomSeed(analogRead(0));
 }
 
+bool create_new = false;
+
 void loop() {
-    // Ref: https://raw.githubusercontent.com/wiki/olikraus/u8glib/fontpic/u8g_font_u8glib_4.png
+  for (int z = 0; z < 7; z++) {
+    for (int x = 0; x < 8; x++) {
+      for (int y = 0; y < 8; y++) {
+        int upper_state = Cube::get_status(x, y, z + 1);
+        if (upper_state > 0) {
+          Cube::set_status(x, y, z, upper_state);
+          Cube::set_status(x, y, z + 1, upper_state - 1);
+        } else {
+          Cube::set_status(x, y, z, 0);
+        }
+      }
+    }
+  }
 
-  // for (int i = 7; i >= 0; i--) {
-  //     for (int j = 0; j < 8; j++) {
-  //         for (int k = 0; k < 8; k++) {
-  //             Cube::set_status(i, j, k, bright);
-  //             delay(5);
-  //         }
-  //     }
-  // }
-  // bright = (bright + 1) % 4;
+  if (create_new) {
+    int num = random(64);
+    Cube::set_status(num / 8, num % 8, 7, 3);
+    create_new = false;
+  }
+  else {
+    create_new = true;
+  }
 
-//   // 0
-//   Cube::clear();
-//   Cube::set_status(7, 0, 7, 3);
-//   Cube::set_status(7, 1, 7, 3);
-//   Cube::set_status(7, 2, 7, 3);
-
-//   Cube::set_status(7, 0, 6, 3);
-//   Cube::set_status(7, 2, 6, 3);
-
-//   Cube::set_status(7, 0, 5, 3);
-//   Cube::set_status(7, 2, 5, 3);
-
-//   Cube::set_status(7, 0, 4, 3);
-//   Cube::set_status(7, 1, 4, 3);
-//   Cube::set_status(7, 2, 4, 3);
-
-//   delay(5000);
-
-//   // 1
-//   Cube::clear();
-//   Cube::set_status(7, 1, 7, 3);
-//   Cube::set_status(7, 0, 6, 3);
-//   Cube::set_status(7, 1, 6, 3);
-//   Cube::set_status(7, 1, 5, 3);
-//   //   Cube::set_status(7, 0, 4, 3);
-//   Cube::set_status(7, 1, 4, 3);
-//   //   Cube::set_status(7, 2, 4, 3);
-//   delay(5000);
-
-  // 2
-
-  Cube::clear();
-
-  Cube::set_status(6, 0, 7, 3);
-  Cube::set_status(6, 1, 7, 3);
-  Cube::set_status(6, 2, 7, 3);
-
-  Cube::set_status(6, 2, 6, 3);
-
-  Cube::set_status(6, 1, 5, 3);
-
-  Cube::set_status(6, 0, 4, 3);
-  Cube::set_status(6, 1, 4, 3);
-  Cube::set_status(6, 2, 4, 3);
-
-//   delay(5000);
-
-  // 3
-//   Cube::clear();
-
-  Cube::set_status(7, 0, 3, 3);
-  Cube::set_status(7, 1, 3, 3);
-  Cube::set_status(7, 2, 3, 3);
-
-  Cube::set_status(7, 1, 2, 3);
-
-  Cube::set_status(7, 2, 1, 3);
-
-  Cube::set_status(7, 0, 0, 3);
-  Cube::set_status(7, 1, 0, 3);
-  Cube::set_status(7, 2, 0, 3);
-
-  delay(5000);
+  // num = random(64);
+  // Cube::set_status(num / 8, num % 8, 7, 3);
+  // delay(5);
 }
\ No newline at end of file