const int M1 = 3;
const int K1 = 4;
const int H1 = 5;


const int M2 = 8;
const int K2 = 9;
const int H2 = 10;


const int M3 = 11;
const int K3 = 12;
const int H3= 13;


void setup(){
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
digitalWrite(3, LOW);
digitalWrite(4, LOW);
digitalWrite(5, LOW);

pinMode(8, OUTPUT);
pinMode(9, OUTPUT);
pinMode(10, OUTPUT);
digitalWrite(8, LOW);
digitalWrite(9, LOW);
digitalWrite(10, LOW);

pinMode(11, OUTPUT);
pinMode(12, OUTPUT);
pinMode(13, OUTPUT);
digitalWrite(11, LOW);
digitalWrite(12, LOW);
digitalWrite(13, LOW);

}

void loop() {

digitalWrite(3, LOW);
digitalWrite(4, HIGH);
delay(1000);
digitalWrite(4, LOW);
digitalWrite(5, HIGH);
delay(3500);
digitalWrite(5, LOW);
digitalWrite(3, HIGH);
delay(900);


digitalWrite(8, LOW);
digitalWrite(9, HIGH);
delay(1000);
digitalWrite(9, LOW);
digitalWrite(10,HIGH);
delay(3500);
digitalWrite(10,LOW);
digitalWrite(8,HIGH);
delay(900);


digitalWrite(11,LOW);
digitalWrite(12,HIGH);
delay(1000);
digitalWrite(12,LOW);
digitalWrite(13,HIGH);
delay(3500);
digitalWrite(13,LOW);
digitalWrite(11,HIGH);
delay(900);


}