int leftLEDs[] = {13, 12, 11};
int rightLEDs[] = {10, 9, 8};

int btnPin[] = {7, 6};
int btnState[] = {0, 0};

unsigned long Time = 0;
int State = 0;
long timing[] = {5000, 2000, 500, 200};

void setup() {
  for (int i = 0; i < 3; i++) {
    pinMode(leftLEDs[i], OUTPUT);
    pinMode(rightLEDs[i], OUTPUT);
  }

  for (int i = 0; i < 2; i++) {
    pinMode(btnPin[i], INPUT);
  }

  Serial.begin(9600);
  Time = millis();
}

void loop() {
  btnState[0] = digitalRead(btnPin[0]);
  btnState[1] = digitalRead(btnPin[1]);

  if (btnState[0] == HIGH) {
    if (State == 0 || State == 1) {
      State = 0;
    } else if (State == 2 || State == 3) {
      State = 6;
    }
    sequence();
  } else if (btnState[1] == HIGH) {
    if (State == 0) {
      State = 4;
    } else if (State == 1) {
      State = 5;
    } else if (State == 2 || State == 3) {
      State = 2;
    }
    sequence();
  } else {
    sequence();
  }
}

void sequence(){
  unsigned long currentTime = millis();
  unsigned long elapsedTime = currentTime - Time;

  if (State == 0) {
    if (elapsedTime < timing[0]) {
      // Loop through the pins (assuming leftLEDs and rightLEDs are arrays with 3 elements)
      for (int i = 0; i < 3; i++) {
          // Set the current rightPin to HIGH if it's the first pin (index 0), else set it to LOW
          digitalWrite(leftLEDs[i], i == 0 ? HIGH : LOW);

          // Set the current leftPin to HIGH if it's the third pin (index 2), else set it to LOW
          digitalWrite(rightLEDs[i], i == 2 ? HIGH : LOW);
      }
    } else {
      State = 1;
      Time = currentTime;
    }
  } else if (State == 1) {
    if (elapsedTime < timing[1]) {
      for (int i = 0; i < 3; i++) {
          digitalWrite(leftLEDs[i], i == 0 ? HIGH : LOW);
          digitalWrite(rightLEDs[i], i == 1 ? HIGH : LOW);
      }
    } else {
      State = 2;
      Time = currentTime;
    }
  } else if (State == 2) {
    if (elapsedTime < timing[0]) {
      for (int i = 0; i < 3; i++) {
          digitalWrite(leftLEDs[i], i == 2 ? HIGH : LOW);
          digitalWrite(rightLEDs[i], i == 0 ? HIGH : LOW);
      }
    } else {
      State = 3;
      Time = currentTime;
    }
  }	else if (State == 3) {
    if (elapsedTime < timing[1]) {
      for (int i = 0; i < 3; i++) {
          digitalWrite(leftLEDs[i], i == 1 ? HIGH : LOW);
          digitalWrite(rightLEDs[i], i == 0 ? HIGH : LOW);
      }
    } else {
      State = 0;
      Time = currentTime;
    }
  }	else if (State == 4) {
    if (elapsedTime < timing[2]) {
      for (int i = 0; i < 3; i++) {
          digitalWrite(leftLEDs[i], i == 0 ? HIGH : LOW);
          digitalWrite(rightLEDs[i], i == 2 ? HIGH : LOW);
      }
    } else {
      State = 5;
      Time = currentTime;
    }
  } else if (State == 5) {
    if (elapsedTime < timing[3]) {
      for (int i = 0; i < 3; i++) {
          digitalWrite(leftLEDs[i], i == 0 ? HIGH : LOW);
          digitalWrite(rightLEDs[i], i == 1 ? HIGH : LOW);
      }
    } else {
      State = 2;
      Time = currentTime;
    }
  }else if (State == 6) {
    if (elapsedTime < timing[2]) {
      for (int i = 0; i < 3; i++) {
          digitalWrite(leftLEDs[i], i == 2 ? HIGH : LOW);
          digitalWrite(rightLEDs[i], i == 0 ? HIGH : LOW);
      }
    } else {
      State = 7;
      Time = currentTime;
    }
  }else if (State == 7) {
    if (elapsedTime < timing[3]) {
      for (int i = 0; i < 3; i++) {
          digitalWrite(leftLEDs[i], i == 1 ? HIGH : LOW);
          digitalWrite(rightLEDs[i], i == 0 ? HIGH : LOW);
      }
    } else {
      State = 0;
      Time = currentTime;
    }
  }
 }