int var=0,a=1;
int reg[]={1,2,2,1,8,3,5,4};
void setup() {
  // put your setup code here, to run once:
  pinMode(12, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(32, OUTPUT);
  pinMode(33, OUTPUT);
  pinMode(25, OUTPUT);
  pinMode(26, OUTPUT);
  pinMode(27, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  //digitalWrite(0, LOW);
  if(var==0)
  {
    digitalWrite(12, LOW);
    digitalWrite(14, LOW);
    digitalWrite(32, LOW);
    digitalWrite(33, LOW);
    digitalWrite(25, LOW);
    digitalWrite(26, LOW);
    digitalWrite(27, HIGH);
  }
  else if(var==1)
  {
    digitalWrite(12, HIGH);
    digitalWrite(14, LOW);
    digitalWrite(32, LOW);
    digitalWrite(33, HIGH);
    digitalWrite(25, HIGH);
    digitalWrite(26, HIGH);
    digitalWrite(27, HIGH);
  }
  else if(var==2)
  {
    digitalWrite(12, LOW);
    digitalWrite(14, LOW);
    digitalWrite(32, HIGH);
    digitalWrite(33, LOW);
    digitalWrite(25, LOW);
    digitalWrite(26, HIGH);
    digitalWrite(27, LOW);
  }
  else if(var==3)
  {
    digitalWrite(12, LOW);
    digitalWrite(14, LOW);
    digitalWrite(32, LOW);
    digitalWrite(33, LOW);
    digitalWrite(25, HIGH);
    digitalWrite(26, HIGH);
    digitalWrite(27, LOW);
  }
  else if(var==4)
  {
    digitalWrite(12, HIGH);
    digitalWrite(14, LOW);
    digitalWrite(32, LOW);
    digitalWrite(33, HIGH);
    digitalWrite(25, HIGH);
    digitalWrite(26, LOW);
    digitalWrite(27, LOW);
  }
  else if(var==5)
  {
    digitalWrite(12, LOW);
    digitalWrite(14, HIGH);
    digitalWrite(32, LOW);
    digitalWrite(33, LOW);
    digitalWrite(25, HIGH);
    digitalWrite(26, LOW);
    digitalWrite(27, LOW);
  }
  else if(var==6)
  {
    digitalWrite(12, LOW);
    digitalWrite(14, HIGH);
    digitalWrite(32, LOW);
    digitalWrite(33, LOW);
    digitalWrite(25, LOW);
    digitalWrite(26, LOW);
    digitalWrite(27, LOW);
  }
  else if(var==7)
  {
    digitalWrite(12, LOW);
    digitalWrite(14, LOW);
    digitalWrite(32, LOW);
    digitalWrite(33, HIGH);
    digitalWrite(25, HIGH);
    digitalWrite(26, HIGH);
    digitalWrite(27, HIGH);
  }
  else if(var==8)
  {
    digitalWrite(12, LOW);
    digitalWrite(14, LOW);
    digitalWrite(32, LOW);
    digitalWrite(33, LOW);
    digitalWrite(25, LOW);
    digitalWrite(26, LOW);
    digitalWrite(27, LOW);
  }
  else if(var==9)
  {
    digitalWrite(12, LOW);
    digitalWrite(14, LOW);
    digitalWrite(32, LOW);
    digitalWrite(33, LOW);
    digitalWrite(25, HIGH);
    digitalWrite(26, LOW);
    digitalWrite(27, LOW);
  }
  delay(500);
  if(var>8 || var==-1)
    a=a*-1;
  var+=a;
}