int dataPin = 11;
int clockPin = 12;
int latchPin = 8;

byte digits[10] = {
  0b00111111, // 0
  0b00000110, // 1
  0b01011011, // 2
  0b01001111, // 3
  0b01100110, // 4
  0b01101101, // 5
  0b01111101, // 6
  0b00000111, // 7
  0b01111111, // 8
  0b01101111  // 9
};

void setup() {
  pinMode(dataPin, OUTPUT);
  pinMode(clockPin, OUTPUT);
  pinMode(latchPin, OUTPUT);
}

void loop() {
  for (int i = 0; i < 10; i++) {

    byte val = digits[i];
    if (i % 2 == 0) val |= 0b10000000; 

    digitalWrite(latchPin, LOW);

    for (int b = 7; b >= 4; b--) {
      digitalWrite(clockPin, LOW);
      digitalWrite(dataPin, (val >> b) & 1);
      digitalWrite(clockPin, HIGH);
    }
    for (int b = 3; b >= 0; b--) {
      digitalWrite(clockPin, LOW);
      digitalWrite(dataPin, (val >> b) & 1);
      digitalWrite(clockPin, HIGH);
    }

    digitalWrite(latchPin, HIGH);

    delay(1000);
  }
}