int LEDs[] = {22,23,21,4,19,18,5};  

int nine[] = {0, 0, 0, 0, 0, 0, 1};
int one[] =  {0, 1, 1, 1, 0, 1, 1}; 
int three[] = {0, 0, 1, 0, 0, 0, 1};
int seven[] = {0, 0, 1, 1, 0, 1, 1};  
int eight[] = {0, 0, 0, 0, 0, 0, 0}; 
int zero[] = {1, 1, 1, 1, 1, 0, 1, 1};

void setup() {
  for (int i = 0; i<7; i++) pinMode(LEDs[i], OUTPUT);
}

void loop() {
    for (int i = 0; i<7; i++) digitalWrite(LEDs[i], nine[i]);
  delay(1000);
      for (int i = 0; i<7; i++) digitalWrite(LEDs[i], nine[i]);
  delay(1000);
  for (int i = 0; i<7; i++) digitalWrite(LEDs[i], one[i]);
  delay(1000);
    for (int i = 0; i<7; i++) digitalWrite(LEDs[i], three[i]);
  delay(1000);
  for (int i = 0; i<7; i++) digitalWrite(LEDs[i], seven[i]);
  delay(1000);
  for (int i = 0; i<7; i++) digitalWrite(LEDs[i], eight[i]);
  delay(1000);
}