void setup()
{
      pinMode(0, OUTPUT);
         pinMode(2, OUTPUT);
            pinMode(16, OUTPUT);
               pinMode(4, OUTPUT);
                 pinMode(26, OUTPUT);
                   pinMode(14, OUTPUT);
                    pinMode(13, OUTPUT);
                     pinMode(12, OUTPUT);
                     }

                      void loop()
                      {
                  
                       
                          digitalWrite(0, HIGH);
                         
                            delay(1000);
                              
                                  digitalWrite(0, LOW);

                                   
                                      digitalWrite(2, HIGH);
                                         
                                            delay(1000);
                                               
                                                  digitalWrite(2, LOW);

                                                     
                                                        digitalWrite(16, HIGH);
                                                           
                                                              delay(1000);
                                                                  
                                                                     digitalWrite(16,LOW);

                                                                         
                                                                            digitalWrite(4, HIGH);
                                                                              
                                                                                 delay( 1000 );
                                                                                   
                                                                                      digitalWrite(4, LOW);
                                                                                       
                                                                                          
                                                                                             digitalWrite(26, HIGH);
                                                                                                
                                                                                                   delay(1000);
                                                                                                     
                                                                                                       digitalWrite(26, LOW);
                                                                                                      
                                                                                                  
                                                                                                      
                                                                                                         
                                                                                                             digitalWrite(14, HIGH);
                                                                                                                  
                                                                                                                     delay(1000);
                                                                                                                        
                                                                                                                            digitalWrite(14, LOW);
                                                                                                                                                                                                                                  
                                                                                                                                 digitalWrite(13, HIGH);
                                                                                                                                                          
                                                                                                                                                                                      delay(1000);
                                                                                                                                                                                                                    
                                                                                                                                                                                                                                                      digitalWrite(13, LOW);
                                                                                                                                                                                                                                                      digitalWrite(12, HIGH);
                                                                                                                                                                                                                                                                               
                                                                                                                                                                                                                                                                                                           delay(1000);
                                                                                                                                                                                                                                                                                                                                         
                                                                                                                                                                                                                                                                                                                                                                           digitalWrite(12, LOW);}