int dig[10]={
    0b1111110,
    0b0110000,
    0b1101101,
    0b1111001,
    0b0110011,
    0b1011011,
    0b1011111,
    0b1110000,
    0b1111111,
    0b1111011
  };
  int dig1,dig2;
  long unsigned t=1000;

void setup() {
  // put your setup code here, to run once:
 
      for(int i =0;i<7;i++){
         pinMode(i,OUTPUT);
    }
 
  pinMode(12,OUTPUT);
  pinMode(13,OUTPUT);
  
}

void loop() {
  for(int j=0;j<=99;j++){
    dig2=j/10;
    dig1=j%10;

    for(int k=0;k<50;k++){
      digitalWrite(12,1);
      digitalWrite(13,0);
      
      dis(dig2);
       delayMicroseconds(2000);
       
      digitalWrite(13,1);
      digitalWrite(12,0);
      
      dis(dig1);
     delayMicroseconds(2000);
      
    }
  }
    
}
void dis(int num){
  for(int i =0;i<7;i++){
    digitalWrite(i,bitRead(dig[num],i));
    
  }
  
}