void setup() {
  // put your setup code here, to run once:
//setup output port
  for(int i=8; i<17; i++){
    pinMode(i, OUTPUT);
  }

   for(int i=0; i<8; i++){
    pinMode(i, OUTPUT);
  }

}

void loop() {
 // put your main code here, to run repeatedly:
 //turn on 
  // coloumn 
   digitalWrite(14, HIGH);
   digitalWrite(15, HIGH);
   digitalWrite(16, HIGH);
   digitalWrite(13, HIGH);
   digitalWrite(12, HIGH);
   digitalWrite(11, HIGH);
   digitalWrite(10, HIGH);
   digitalWrite(9, HIGH);

 //raw  
   digitalWrite(0, LOW);
   digitalWrite(1, LOW);
   digitalWrite(2, LOW);
   digitalWrite(3, LOW);
   digitalWrite(4, LOW);
   digitalWrite(5, LOW);
   digitalWrite(6, LOW);
   digitalWrite(7, LOW);

   delay(1000);
  
  
  // turn off 
   digitalWrite(0, HIGH);
   digitalWrite(1, HIGH);
   digitalWrite(2, HIGH);
   digitalWrite(3, HIGH);
   digitalWrite(4, HIGH);
   digitalWrite(5, HIGH);
   digitalWrite(6, HIGH);
   digitalWrite(7, HIGH);

  delay(1000);
  
}