#define ODD_3 22
#define EVEN_2 19

void setup() {
  pinMode(ODD_3, OUTPUT);
  pinMode(EVEN_2, OUTPUT);
}

void loop() {
  digitalWrite(ODD_3, HIGH);
  delay(1000);
  digitalWrite(ODD_3, LOW);
  
  delay(500);
  
  digitalWrite(EVEN_2, HIGH);
  delay(1000);
  digitalWrite(EVEN_2, LOW);
  
  delay(100);
}