int buzzer = 13;
int led12 = 12;
int led11 = 11;
int led10 = 10;
int led9 = 9;
int led8 = 8;
int led7 = 7;
void setup() {
  // put your setup code here, to run once:
pinMode( buzzer , 13);
pinMode( led12 , OUTPUT);
pinMode( led11 , OUTPUT);
pinMode( led10 , OUTPUT);
pinMode( led9 , OUTPUT);
pinMode( led8 , OUTPUT);
pinMode( led7 , OUTPUT);
Serial.begin(9000);
}

void loop() {
  // put your main code here, to run repeatedly:
 digitalWrite( led8 , LOW);
digitalWrite( led11 , LOW);
digitalWrite( led12 , HIGH);
tone( buzzer , 262);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led10 , HIGH);
tone( buzzer , 294);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led8 , HIGH);
tone( buzzer , 330);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led11 , HIGH);
digitalWrite( led9 , HIGH);
digitalWrite( led7 , HIGH);
tone( buzzer , 262);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led12 , LOW);
digitalWrite( led10 , LOW);
digitalWrite( led8 , LOW);
digitalWrite( led11 , LOW);
digitalWrite( led9 , LOW);
tone( buzzer , 262);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led9 , HIGH);
tone( buzzer , 294);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led11 , HIGH);
tone( buzzer , 330);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led12 , HIGH);
digitalWrite( led10 , HIGH);
digitalWrite( led8 , HIGH);
tone( buzzer , 262);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led12 , HIGH);
digitalWrite( led10 , HIGH);
digitalWrite( led8 , LOW);
digitalWrite( led11 , LOW);
digitalWrite( led9 , LOW);
digitalWrite( led7 , LOW);
tone( buzzer , 330);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led12 , LOW);
digitalWrite( led10 , LOW);
digitalWrite( led8 , HIGH);
digitalWrite( led11 , HIGH);
tone( buzzer , 349);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led8 , LOW);
digitalWrite( led11 , LOW);
digitalWrite( led9 , HIGH);
digitalWrite( led7 , HIGH);
tone( buzzer , 392);
delay(400);
noTone( buzzer);
delay(400);
digitalWrite( led12 , HIGH);
digitalWrite( led10 , HIGH);
digitalWrite( led9 , LOW);
digitalWrite( led7 , LOW);
tone( buzzer , 330);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led12 , LOW);
digitalWrite( led10 , LOW);
digitalWrite( led8 , HIGH);
digitalWrite( led11 , HIGH);
tone( buzzer , 349);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led8 , LOW);
digitalWrite( led11 , LOW);
digitalWrite( led9 , HIGH);
digitalWrite( led7 , HIGH);
tone( buzzer , 392);
delay(350);
noTone( buzzer);
delay(350);
digitalWrite( led12 , HIGH);
digitalWrite( led9 , LOW);
digitalWrite( led7 , LOW);
tone( buzzer , 392);
delay(150);
noTone( buzzer);
delay(150);
digitalWrite( led12 , LOW);
digitalWrite( led10 , HIGH);
tone( buzzer , 440);
delay(150);
noTone( buzzer);
delay(150);
digitalWrite( led10 , LOW);
digitalWrite( led8 , HIGH);
tone( buzzer , 392);
delay(150);
noTone( buzzer);
delay(150);
digitalWrite( led8 , LOW);
digitalWrite( led11 , HIGH);
tone( buzzer , 349);
delay(150);
noTone( buzzer);
delay(150);
digitalWrite( led11 , LOW);
digitalWrite( led9 , HIGH);
tone( buzzer , 330);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led7 , HIGH);
digitalWrite( led12 , HIGH);
digitalWrite( led10 , HIGH);
digitalWrite( led8 , HIGH);
digitalWrite( led11 , HIGH);
tone( buzzer , 262);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led12 , LOW);
digitalWrite( led10 , LOW);
digitalWrite( led8 , LOW);
digitalWrite( led11 , LOW);
digitalWrite( led9 , LOW);
tone( buzzer , 392);
delay(150);
noTone( buzzer);
delay(150);
digitalWrite( led7, LOW);
digitalWrite( led9 , HIGH);
tone( buzzer , 440);
delay(150);
noTone( buzzer);
delay(150);
digitalWrite( led9, LOW);
digitalWrite( led11 , HIGH);
tone( buzzer , 392);
delay(150);
noTone( buzzer);
delay(150);
digitalWrite( led11, LOW);
digitalWrite( led8 , HIGH);
tone( buzzer , 349);
delay(150);
noTone( buzzer);
delay(150);
digitalWrite( led8, LOW);
digitalWrite( led10 , HIGH);
tone( buzzer , 330);
delay(250);
noTone( buzzer);
delay(300);
digitalWrite( led12, HIGH);
digitalWrite( led8 , HIGH);
digitalWrite( led11 , HIGH);
digitalWrite( led9 , HIGH);
digitalWrite( led7 , HIGH);
tone( buzzer , 262);
delay(300);
noTone(buzzer );
delay(300);
digitalWrite( led12, HIGH);
digitalWrite( led10 , LOW);
digitalWrite( led8 , LOW);
digitalWrite( led11 , LOW);
digitalWrite( led9 , LOW);
digitalWrite( led7 , HIGH);
tone( buzzer , 262);
delay(300);
noTone( buzzer);
delay(250);
digitalWrite( led12 , LOW);
digitalWrite( led10 , HIGH);
digitalWrite( led9 , HIGH);
digitalWrite( led7 , LOW);
tone( buzzer , 396);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led10 , LOW);
digitalWrite( led8 , HIGH);
digitalWrite( led11 , HIGH);
digitalWrite( led9 , LOW);
tone( buzzer , 262);
delay(450);
noTone( buzzer);
delay(450);
digitalWrite( led12, HIGH);
digitalWrite( led8 , LOW);
digitalWrite( led11 , LOW);
digitalWrite( led7 , HIGH);
tone( buzzer , 262);
delay(300);
noTone( buzzer);
delay(250);
digitalWrite( led12 , LOW);
digitalWrite( led10 , HIGH);
digitalWrite( led9 , HIGH);
digitalWrite( led7 , LOW);
tone( buzzer , 396);
delay(250);
noTone( buzzer);
delay(250);
digitalWrite( led10 , LOW);
digitalWrite( led8 , HIGH);
digitalWrite( led11 , HIGH);
digitalWrite( led9 , LOW);
tone( buzzer , 262);
delay(450);
noTone( buzzer);
delay(350);
}