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

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

void loop() 
{
  PORTA=B11111110;PORTC=B00000000;delay(10);
  PORTA=B11111101;PORTC=B01000010;delay(10);
  PORTA=B11111011;PORTC=B10100101;delay(10);
  PORTA=B11110111;PORTC=B00000000;delay(10);
  PORTA=B11101111;PORTC=B00011000;delay(10);
  PORTA=B11011111;PORTC=B01000010;delay(10);
  PORTA=B10111111;PORTC=B00111100;delay(10);
  PORTA=B01111111;PORTC=B00011000;delay(10);

}