const int LED1=6;
const int LED2=8;
const int LED3=10;
void setup()
{
pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);
pinMode(LED3, OUTPUT);
}
void loop()
{
digitalWrite(LED1, HIGH);
delay(1500);
digitalWrite(LED1, LOW);
delay(250);
digitalWrite(LED1, HIGH);
delay(250);
digitalWrite(LED1, LOW);
delay(250);
digitalWrite(LED1, HIGH);
delay(250);
digitalWrite(LED1, LOW);
delay(250);
digitalWrite(LED1, HIGH);
delay(250);
digitalWrite(LED1, LOW);
delay(250);


digitalWrite(LED2, HIGH);
delay(1500);
digitalWrite(LED2, LOW);
delay(250);
digitalWrite(LED2, HIGH);
delay(250);
digitalWrite(LED2, LOW);
delay(250);
digitalWrite(LED2, HIGH);
delay(250);
digitalWrite(LED2, LOW);
delay(250);
digitalWrite(LED2, HIGH);
delay(250);
digitalWrite(LED2, LOW);
delay(250);

digitalWrite(LED3, HIGH);
delay(1500);
digitalWrite(LED3, LOW);
delay(250);
digitalWrite(LED3, HIGH);
delay(250);
digitalWrite(LED3, LOW);
delay(250);
digitalWrite(LED3, HIGH);
delay(250);
digitalWrite(LED3, LOW);
delay(250);
digitalWrite(LED3, HIGH);
delay(250);
digitalWrite(LED3, LOW);
delay(250);

}