void setup() {
  // put your setup code here, to run once:
  pinMode(7, INPUT);
  pinMode(5, OUTPUT);
  pinMode(8, INPUT);
  pinMode(2, OUTPUT);
  pinMode(9, INPUT);
  pinMode(3, OUTPUT);
  pinMode(10, INPUT);
  pinMode(4, OUTPUT);
  randomSeed(analogRead(0));
}
void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, HIGH);
  digitalWrite(5, LOW);
  delay(350);
    digitalWrite(5, LOW);
    digitalWrite(2, LOW);
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
    digitalWrite(5, LOW);
    delay(350);

  digitalWrite(2, LOW);
  digitalWrite(3, HIGH);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  delay(350);
    digitalWrite(5, LOW);
    digitalWrite(2, LOW);
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
    digitalWrite(5, LOW);
    delay(350);

  digitalWrite(2, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, LOW);
  delay(350);
    digitalWrite(5, LOW);
    digitalWrite(2, LOW);
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
    digitalWrite(5, LOW);
    delay(350);

  digitalWrite(2, LOW);
  digitalWrite(3, LOW);
  digitalWrite(4, LOW);
  digitalWrite(5, HIGH);
  delay(350);
    digitalWrite(5, LOW);
    digitalWrite(2, LOW);
    digitalWrite(3, LOW);
    digitalWrite(4, LOW);
    digitalWrite(5, LOW);
    delay(350);

}