int ledPins[] = {21, 19, 32, 33, 25, 26, 27, 14, 12, 13, 9, 10, 23, 22, 1, 3, 18, 5, 17, 16, 4, 0, 2, 15, 8, 7, 6};

void box() {
    // Blink all LEDs in sequence
    for (int i = 0; i < sizeof(ledPins) / sizeof(ledPins[0]); i++) {
        Serial.println(sizeof(ledPins[0]));
        digitalWrite(ledPins[i], HIGH);
        delay(500);
    }
    for (int i = 0; i < sizeof(ledPins) / sizeof(ledPins[0]); i++) {
        digitalWrite(ledPins[i], LOW);
    }
}

void setup(){
    for (int i = 0; i < sizeof(ledPins) / sizeof(ledPins[0]); i++) {
        pinMode(ledPins[i], OUTPUT);
    }
    box(); // Blink all LEDs once

    // Light up LEDs from left to right
    for (int i = 0; i < sizeof(ledPins) / sizeof(ledPins[0]); i++) {
        digitalWrite(ledPins[i], HIGH);
        delay(500);
        digitalWrite(ledPins[i], LOW);
    }

    delay(1000); // Delay between left to right and right to left

    // Light up LEDs from right to left
    for (int i = sizeof(ledPins) / sizeof(ledPins[0]) - 1; i >= 0; i--) {
        digitalWrite(ledPins[i], HIGH);
        delay(500);
        digitalWrite(ledPins[i], LOW);
    }

    delay(500); // Delay before turning all LEDs on

    // Turn on all LEDs
    for (int i = 0; i < sizeof(ledPins) / sizeof(ledPins[0]); i++) {
        digitalWrite(ledPins[i], HIGH);
    }

    delay(1000); // Keep all LEDs on for 2 seconds

    // Turn off all LEDs
    for (int i = 0; i < sizeof(ledPins) / sizeof(ledPins[0]); i++) {
        digitalWrite(ledPins[i], LOW);
    }

    delay(500); // Delay before turning on specific LEDs

    // Turn on the first 5 LEDs
    for (int i = 0; i < 5; i++) 
    {
        digitalWrite(ledPins[i], HIGH);
    }

    digitalWrite(ledPins[15], HIGH);
    digitalWrite(ledPins[26], HIGH);
    delay(200);
    digitalWrite(ledPins[5], HIGH);
    digitalWrite(ledPins[16], HIGH);
    digitalWrite(ledPins[25], HIGH);
    delay(200);
    digitalWrite(ledPins[6], HIGH);
    digitalWrite(ledPins[17], HIGH);
    digitalWrite(ledPins[24], HIGH);
    delay(200);
    digitalWrite(ledPins[7], HIGH);
    digitalWrite(ledPins[18], HIGH);
    digitalWrite(ledPins[23], HIGH);
    delay(200);
    digitalWrite(ledPins[8], HIGH);
    digitalWrite(ledPins[9], HIGH);
    digitalWrite(ledPins[19], HIGH);
    digitalWrite(ledPins[22], HIGH);
    delay(200);
    digitalWrite(ledPins[10], HIGH);
    digitalWrite(ledPins[11], HIGH);
    digitalWrite(ledPins[12], HIGH);
    digitalWrite(ledPins[13], HIGH);
    digitalWrite(ledPins[14], HIGH);
    digitalWrite(ledPins[19], HIGH);
    digitalWrite(ledPins[20], HIGH);
    digitalWrite(ledPins[21], HIGH);
    digitalWrite(ledPins[22], HIGH);

    delay(2000); // Delay before turning off specific LEDs

    // Turn off LEDs in reverse order
    for (int i = sizeof(ledPins) / sizeof(ledPins[0]) - 1; i >= 0; i--) {
        digitalWrite(ledPins[i], LOW);
        delay(200);
    }

    // Turn off specific LEDs
digitalWrite(ledPins[10], HIGH);
digitalWrite(ledPins[11], HIGH);
digitalWrite(ledPins[12], HIGH);
digitalWrite(ledPins[13], HIGH);
digitalWrite(ledPins[14], HIGH);
digitalWrite(ledPins[19], HIGH);
digitalWrite(ledPins[20], HIGH);
digitalWrite(ledPins[21], HIGH);
digitalWrite(ledPins[22], HIGH);
delay(200);
digitalWrite(ledPins[9], HIGH);
digitalWrite(ledPins[19], HIGH);
digitalWrite(ledPins[22], HIGH);
delay(200);
digitalWrite(ledPins[8], HIGH);
digitalWrite(ledPins[18], HIGH);
digitalWrite(ledPins[23], HIGH);
delay(200);
digitalWrite(ledPins[7], HIGH);
digitalWrite(ledPins[17], HIGH);
digitalWrite(ledPins[24], HIGH);
delay(200);
digitalWrite(ledPins[6], HIGH);
digitalWrite(ledPins[16], HIGH);
digitalWrite(ledPins[25], HIGH);
delay(200);
digitalWrite(ledPins[15], HIGH);
digitalWrite(ledPins[26], HIGH);
digitalWrite(ledPins[15], HIGH);
digitalWrite(ledPins[26], HIGH);

      
    for (int i = 0; i < 5; i++) 
        {
          digitalWrite(ledPins[i], HIGH);
        }


    for (int i = 0; i < 5; i++) 
    {    
        for (int i = 0; i < 6; i++) 
        {
          digitalWrite(ledPins[i], HIGH);
        }
        digitalWrite(ledPins[10], HIGH);
        digitalWrite(ledPins[11], HIGH);
        digitalWrite(ledPins[12], HIGH);
        digitalWrite(ledPins[13], HIGH);
        digitalWrite(ledPins[14], HIGH);
        digitalWrite(ledPins[19], HIGH);
        digitalWrite(ledPins[20], HIGH);
        digitalWrite(ledPins[21], HIGH);
        digitalWrite(ledPins[22], HIGH);
        digitalWrite(ledPins[9], HIGH);
        digitalWrite(ledPins[19], HIGH);
        digitalWrite(ledPins[22], HIGH);
        digitalWrite(ledPins[8], HIGH);
        digitalWrite(ledPins[18], HIGH);
        digitalWrite(ledPins[23], HIGH);
        digitalWrite(ledPins[7], HIGH);
        digitalWrite(ledPins[17], HIGH);
        digitalWrite(ledPins[24], HIGH);
        digitalWrite(ledPins[6], HIGH);
        digitalWrite(ledPins[16], HIGH);
        digitalWrite(ledPins[25], HIGH);
        digitalWrite(ledPins[15], HIGH);
        digitalWrite(ledPins[26], HIGH);
        digitalWrite(ledPins[15], HIGH);
        digitalWrite(ledPins[26], HIGH);
        delay(500);
        for (int i = 0; i < 6; i++) 
        {
          digitalWrite(ledPins[i], LOW);
        }
        digitalWrite(ledPins[10], LOW);
        digitalWrite(ledPins[11], LOW);
        digitalWrite(ledPins[12], LOW);
        digitalWrite(ledPins[13], LOW);
        digitalWrite(ledPins[14], LOW);
        digitalWrite(ledPins[19], LOW);
        digitalWrite(ledPins[20], LOW);
        digitalWrite(ledPins[21], LOW);
        digitalWrite(ledPins[22], LOW);
        digitalWrite(ledPins[9], LOW);
        digitalWrite(ledPins[8], LOW);
        digitalWrite(ledPins[18], LOW);
        digitalWrite(ledPins[23], LOW);
        digitalWrite(ledPins[7], LOW);
        digitalWrite(ledPins[17], LOW);
        digitalWrite(ledPins[24], LOW);
        digitalWrite(ledPins[6], LOW);
        digitalWrite(ledPins[16], LOW);
        digitalWrite(ledPins[25], LOW);
        digitalWrite(ledPins[15], LOW);
        digitalWrite(ledPins[26], LOW);

    }
}
void loop()
{

}