byte combinaciones [4][2] = {{0,0},{0,1},{1,0},{1,1}};
void setup() {
  // put your setup code here, to run once:
  pinMode(22, OUTPUT);
  pinMode(23, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  for(int i = 0; i<4;i++){
    digitalWrite(22,combinaciones[i][0]);
    digitalWrite(23,combinaciones[i][1]);
    delay(1000);
  }
}