const int leds[3][3] = {
  {3,2,1},
  {6,5,4}
  };

void turn(int no, String mode) {
  if (mode == "on") {
    digitalWrite(leds[no-1][0], LOW);
    int delays = 50;
    for(int i=0; i < 3; i++) {
      if (i== 0) {
        continue;
      } else {
        digitalWrite(leds[no-1][i], HIGH);
        if (i == 1) {
          delay(1000);
          digitalWrite(leds[no-1][i], LOW);
        }
      }
    }
  } else if (mode == "off") {
    for(int i=0; i < 3; i++) {
      digitalWrite(leds[no-1][i], LOW);
    }
    digitalWrite(leds[no-1][0], HIGH);
  }
}

void setup() {
  for (int i = 0; i < 2; i++) {
    for (int j = 0; j < 3; j++) {
        pinMode(leds[i][j], OUTPUT);
    }
  }
  onEnable()
}

void onEnable() {
  for(int i=0; i < 2; i++) {
    for (int j = 0 ; j < 3; j++) {
      digitalWrite(leds[i][j], HIGH);
      delay(50);
      digitalWrite(leds[i][j], LOW);
    }
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  turn(1, "on");
  turn(2, "off");
  delay(2000);
  turn(1, "off");
  turn(2, "on");
  delay(5000);
}