#define led1pin 11 
#define led2pin 10 
#define led3pin 9 
#define led4pin 6 
#define tiltSensor 8

void setup() {
  pinMode(led1pin, OUTPUT);
  pinMode(led2pin, OUTPUT);
  pinMode(led3pin, OUTPUT);
  pinMode(led4pin, OUTPUT);
  pinMode(tiltSensor, INPUT);  


}

void loop() {
    if (digitalRead(tiltSensor) == LOW) {
        digitalWrite(led1pin, HIGH);
        digitalWrite(led2pin, LOW);
        digitalWrite(led3pin, HIGH);
        digitalWrite(led4pin, LOW);
        delay(250);
        
        digitalWrite(led1pin, LOW);
        digitalWrite(led2pin, HIGH);
        digitalWrite(led3pin, LOW);
        digitalWrite(led4pin, HIGH);
        delay(250);

        digitalWrite(led1pin, HIGH);
        digitalWrite(led2pin, HIGH);
        digitalWrite(led3pin, HIGH);
        digitalWrite(led4pin, HIGH);
        delay(125);
      
        digitalWrite(led1pin, LOW);
        digitalWrite(led2pin, HIGH);
        digitalWrite(led3pin, LOW);
        digitalWrite(led4pin, HIGH);
        delay(250);
    }
    else {
        digitalWrite(led1pin, LOW);
        digitalWrite(led2pin, LOW);
        digitalWrite(led3pin, LOW);
        digitalWrite(led4pin, LOW);
    }
}