void setup()
{
pinMode(13, OUTPUT);
pinMode(12, OUTPUT);
pinMode(11, OUTPUT);
pinMode(10, OUTPUT);
}
void pola1()
{
	for(int i;i<5;i++);
	{
	digitalWrite(13, HIGH);
	digitalWrite(12, HIGH);
	digitalWrite(11, HIGH);
	digitalWrite(10, HIGH);
	delay(1000);
	digitalWrite(13, LOW);
	digitalWrite(12, LOW);
	digitalWrite(11, LOW);
	digitalWrite(10, LOW);
	delay(1000);
	}
}
void pola2()
{
	for(int i;i<5;i++);
	{
	digitalWrite(13, HIGH);
	digitalWrite(12, HIGH);
	digitalWrite(11, LOW);
	digitalWrite(10, LOW);
	delay(1000);
	digitalWrite(13, LOW);
	digitalWrite(12, LOW);
	digitalWrite(11, HIGH);
	digitalWrite(10, HIGH);
	delay(1000);
	}
}
void loop()
{
pola1();
pola2();
}