int katodaLED[]={22,23,24,25,26,27,28,29};
int anodaLED[]={37,36,35,34,33,32,31,30};

void setup() {
  for (int i = 0; i < 8; i++)
  {
    pinMode(katodaLED[i], OUTPUT);
    pinMode(anodaLED[i], OUTPUT);
  }
}

void loop() {
  PORTA=B11111101; PORTC=B01111110; delay(10);
  PORTA=B11111011; PORTC=B01100000; delay(10);
  PORTA=B11110111; PORTC=B01111100; delay(10);
  PORTA=B11101111; PORTC=B00000110; delay(10);
  PORTA=B11011111; PORTC=B00000110; delay(10);
  PORTA=B10111111; PORTC=B01100110; delay(10);
  PORTA=B01111111; PORTC=B00111100; delay(10);
}