diff --git a/8By8/8By8.ino b/8By8/8By8.ino
index 09df817..ee45739 100644
--- a/8By8/8By8.ino
+++ b/8By8/8By8.ino
@@ -1,6 +1,6 @@
 #include "TimerOne.h"
 
-#define TIME_PER_LAYER_IN_US 700
+#define TIME_PER_LAYER_IN_US 800
 #define BUS_START_PIN 22
 #define CLOCK_START_PIN 30
 #define SW_START_PIN 38
@@ -24,14 +24,16 @@ public:
     brightness_count = (brightness_count + 1) % 3;
 
     for (int i = 0; i < 8; i++) {
-        for (int j = 0; j < 8; j++) {
-            // In LED_status:
-            // 0 = off
-            // 4 = brightest
-            digitalWrite(BUS_START_PIN + j, ((LED_status[layer_count][i] >> (j * 2)) & 3) >= (3 - brightness_count));
-        }
-        digitalWrite(CLOCK_START_PIN + i, HIGH);
-        digitalWrite(CLOCK_START_PIN + i, LOW);
+      for (int j = 0; j < 8; j++) {
+        // In LED_status:
+        // 0 = off
+        // 4 = brightest
+        digitalWrite(BUS_START_PIN + j,
+                     ((LED_status[layer_count][i] >> (j * 2)) & 3) >=
+                         (3 - brightness_count));
+      }
+      digitalWrite(CLOCK_START_PIN + i, HIGH);
+      digitalWrite(CLOCK_START_PIN + i, LOW);
     }
 
     digitalWrite(SW_START_PIN + layer_count, HIGH);
@@ -42,7 +44,20 @@ public:
     y %= 8;
     z %= 8;
     brightness %= 4;
-    LED_status[z][x] = (LED_status[z][x] & (~(3 << (y * 2)))) | (brightness << (y * 2));
+    LED_status[z][x] =
+        (LED_status[z][x] & (~(3 << (y * 2)))) | (brightness << (y * 2));
+  }
+
+  static int get_status(int x, int y, int z) {
+    return LED_status[z][x] >> (y * 2) & 3;
+  }
+
+  static void clear() {
+    for (int i = 0; i < 8; i++) {
+      for (int j = 0; j < 8; j++) {
+        LED_status[i][j] = 0;
+      }
+    }
   }
 };
 
@@ -52,27 +67,93 @@ int Cube::LED_status[8][8] = {0};
 int bright = 3;
 
 void setup() {
-    for (int i = 22; i < 46; i++) {
-        pinMode(i, OUTPUT);
-    }
+  for (int i = 22; i < 46; i++) {
+    pinMode(i, OUTPUT);
+  }
 
-    Timer1.initialize();
-    Timer1.setPeriod(TIME_PER_LAYER_IN_US);
-    Timer1.attachInterrupt(Cube::display);
+  Timer1.initialize();
+  Timer1.setPeriod(TIME_PER_LAYER_IN_US);
+  Timer1.attachInterrupt(Cube::display);
 
-    Serial.begin(115200);
+  Serial.begin(115200);
 
+  randomSeed(analogRead(0));
 }
 
 void loop() {
-    
-    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;
+    // Ref: https://raw.githubusercontent.com/wiki/olikraus/u8glib/fontpic/u8g_font_u8glib_4.png
+
+  // 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;
+
+//   // 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);
 }
\ No newline at end of file