#include <Arduino.h>

const int A_PINS[] = {23};
const int C_PINS[] = {32};

void setup() {
  for(int i = 0; i < 4; i++) {
    pinMode(A_PINS[i], OUTPUT);
    pinMode(C_PINS[i], OUTPUT);
  }
}

void loop() {
  for(int i = 0; i < 4; i++) {
    digitalWrite(A_PINS[i], HIGH);
    digitalWrite(C_PINS[i], LOW);
    delay(1000);
    digitalWrite(A_PINS[i], LOW);
    digitalWrite(C_PINS[i], LOW);
    delay(1000);
  }
}