#define LED_1          0
#define LED_2          1
#define LED_3          2
#define LED_4          3
#define LED_5          4
#define LED_6          5
#define LED_7          6
#define LED_8          7

#define LED_SWITCH     8


int LEDs[]={LED_1, LED_2, LED_3, LED_4, LED_5, LED_6, LED_7, LED_8};

int dice[6][8]={ 
                 {0, 0, 1, 0, 0, 0, 0, 0},
                 {0, 1, 0, 0, 0, 1, 0, 0},
                 {0, 1, 1, 0, 0, 1, 0, 0},
                 {0, 1, 0, 0, 1, 1, 0, 1},
                 {0, 1, 1, 0, 1, 1, 0, 1},
                 {0, 1, 0, 1, 1, 1, 1, 1} 
               };

// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin LED_BUILTIN as an output.
  pinMode(LED_SWITCH, OUTPUT);
  for(int i = 0; i < 8; i++){
    pinMode(LEDs[i], OUTPUT);
  }
}

// the loop function runs over and over again forever
void loop() {
  // LED dice
  digitalWrite(LED_SWITCH, LOW);
  //for(int j = 0; j < 6; j++){
    int j = random(0,6);
    for(int i = 0; i < 8; i++){
      if (dice[j][i] == 1)
        digitalWrite(LEDs[i], HIGH);
      else{
        digitalWrite(LEDs[i], LOW);
      }
    }
    delay(random(1,6)*100);        
    PORTD = 0b00000000;
    delay(500);
  //}
  PORTD = 0b00000000;
}