int led2=2;
int led4=4;
int led6=6;
int led8=8;
int led10=10;
int wait=1000;
int end_wait=2000;

void setup() {
  // put your setup code here, to run once:
pinMode (led2,OUTPUT);
pinMode (led4,OUTPUT);
pinMode (led6,OUTPUT);
pinMode (led8,OUTPUT);
pinMode (led10, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(led2,LOW);
digitalWrite(led4,LOW);
digitalWrite(led6,LOW);
digitalWrite(led8,LOW);
digitalWrite(led10,LOW);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,LOW);
digitalWrite(led6,LOW);
digitalWrite(led8, LOW);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,HIGH);
digitalWrite(led6,LOW);
digitalWrite(led8, LOW);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,HIGH);
digitalWrite(led6,LOW);
digitalWrite(led8, LOW);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,LOW);
digitalWrite(led6,HIGH);
digitalWrite(led8, LOW);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,LOW);
digitalWrite(led6,HIGH);
digitalWrite(led8, LOW);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,HIGH);
digitalWrite(led6,HIGH);
digitalWrite(led8, LOW);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,HIGH);
digitalWrite(led6,HIGH);
digitalWrite(led8, LOW);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,LOW);
digitalWrite(led6,LOW);
digitalWrite(led8, HIGH);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,LOW);
digitalWrite(led6,LOW);
digitalWrite(led8, HIGH);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,HIGH);
digitalWrite(led6,LOW);
digitalWrite(led8, HIGH);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,HIGH);
digitalWrite(led6,LOW);
digitalWrite(led8, HIGH);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,LOW);
digitalWrite(led6,HIGH);
digitalWrite(led8, HIGH);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,LOW);
digitalWrite(led6,HIGH);
digitalWrite(led8, HIGH);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,HIGH);
digitalWrite(led6,HIGH);
digitalWrite(led8, HIGH);
digitalWrite(led10, LOW);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,HIGH);
digitalWrite(led6,HIGH);
digitalWrite(led8, HIGH);
digitalWrite(led10, LOW);
delay(wait);

//16
digitalWrite(led2,LOW);
digitalWrite(led4,LOW);
digitalWrite(led6,LOW);
digitalWrite(led8,LOW);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,LOW);
digitalWrite(led6,LOW);
digitalWrite(led8,LOW);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,HIGH);
digitalWrite(led6,LOW);
digitalWrite(led8,LOW);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,HIGH);
digitalWrite(led6,LOW);
digitalWrite(led8,LOW);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,LOW);
digitalWrite(led6,HIGH);
digitalWrite(led8,LOW);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,LOW);
digitalWrite(led6,HIGH);
digitalWrite(led8,LOW);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,HIGH);
digitalWrite(led6,HIGH);
digitalWrite(led8,LOW);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,HIGH);
digitalWrite(led6,HIGH);
digitalWrite(led8,LOW);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,LOW);
digitalWrite(led6,LOW);
digitalWrite(led8,HIGH);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,LOW);
digitalWrite(led6,LOW);
digitalWrite(led8,HIGH);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,HIGH);
digitalWrite(led6,LOW);
digitalWrite(led8,HIGH);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,HIGH);
digitalWrite(led6,LOW);
digitalWrite(led8,HIGH);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,LOW);
digitalWrite(led6,HIGH);
digitalWrite(led8,HIGH);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,LOW);
digitalWrite(led6,HIGH);
digitalWrite(led8,HIGH);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,LOW);
digitalWrite(led4,HIGH);
digitalWrite(led6,HIGH);
digitalWrite(led8,HIGH);
digitalWrite(led10,HIGH);
delay(wait);

digitalWrite(led2,HIGH);
digitalWrite(led4,HIGH);
digitalWrite(led6,HIGH);
digitalWrite(led8,HIGH);
digitalWrite(led10,HIGH);
delay(end_wait);

}