uint8_t myPinArray[] = {8, 9, 11, 12, 13, 7, 6};
uint8_t myPinArray2[] = {10, 5, 0, 4, 3, 2, 1};
uint8_t NUMB_PINS = sizeof(myPinArray) / sizeof(myPinArray[0]);
uint8_t number[10] = 
{
  B1111110, // 0
  B0110000, // 1
  B1101101, // 2
  B1111001, // 3
  B0110011, // 4
  B1011011, // 5
  B1011111, // 6
  B1110000, // 7
  B1111111, // 8
  B1111011 // 9
};

void setup() {
  for (uint8_t i = 0; i < NUMB_PINS; i++) {
    pinMode(myPinArray[i], OUTPUT);
  }
  for (uint8_t p = 0; p < NUMB_PINS; p++) {
    pinMode(myPinArray2[p], OUTPUT);
  }
} 

void loop() {
  for (uint8_t n = 0; n < 10; n++) {
    for (uint8_t i = 0; i < NUMB_PINS; i++) {
      digitalWrite(myPinArray2[NUMB_PINS-1-i], bitRead(number[n],i));
    } 
    for (uint8_t n = 0; n < 10; n++) {
      for (uint8_t i = 0; i < NUMB_PINS; i++) {
        digitalWrite(myPinArray[NUMB_PINS-1-i], bitRead(number[n],i));
    }    
    delay(800);
    
  }
}
}