void setup() {
  pinMode(0, OUTPUT);
  pinMode(1, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(15, OUTPUT);
  pinMode(16, OUTPUT);
  pinMode(17, OUTPUT);
  pinMode(18, OUTPUT);
  pinMode(19, OUTPUT);
  pinMode(20 ,OUTPUT);
  pinMode(21, OUTPUT);
  pinMode(22, OUTPUT);
  pinMode(23, OUTPUT);
  pinMode(24, OUTPUT);
  pinMode(25, OUTPUT);
  pinMode(26, OUTPUT);
  pinMode(27, OUTPUT);
  pinMode(28, OUTPUT);
  pinMode(29, OUTPUT);
  pinMode(30, OUTPUT);
  pinMode(31, OUTPUT);
  pinMode(32, OUTPUT);
  pinMode(33, OUTPUT);
  pinMode(34, OUTPUT);
  pinMode(35, OUTPUT);
  pinMode(36, OUTPUT);
  pinMode(37, OUTPUT);
  pinMode(38, OUTPUT);
  pinMode(39, OUTPUT);
  

}

void loop() {
  int a;
  for (a=1;a<=5;a += 1){
    digitalWrite(0, 1);
    digitalWrite(1, 1);
    digitalWrite(2, 1);
    digitalWrite(3, 1);
    digitalWrite(4, 1);
    digitalWrite(5, 1);
    digitalWrite(6, 1);
    digitalWrite(7, 1);
    digitalWrite(8, 1);
    digitalWrite(9, 1);
    digitalWrite(10, 1);
    digitalWrite(11, 1);
    digitalWrite(12, 1);
    digitalWrite(13, 1);
    digitalWrite(14, 1);
    digitalWrite(15, 1);
    digitalWrite(16, 1);
    digitalWrite(17, 1);
    digitalWrite(18, 1);
    digitalWrite(19, 1);
    digitalWrite(20 ,1);
    digitalWrite(21, 1);
    digitalWrite(22, 1);
    digitalWrite(23, 1);
    digitalWrite(24, 1);
    digitalWrite(25, 1);
    digitalWrite(26, 1);
    digitalWrite(27, 1);
    digitalWrite(28, 1);
    digitalWrite(29, 1);
    digitalWrite(30, 1);
    digitalWrite(31, 1);
    digitalWrite(32, 1);
    digitalWrite(33, 1);
    digitalWrite(34, 1);
    digitalWrite(35, 1);
    digitalWrite(36, 1);
    digitalWrite(37, 1);
    digitalWrite(38, 1);
    digitalWrite(39, 1);
    delay(500);
    digitalWrite(0, 0);
    digitalWrite(1, 0);
    digitalWrite(2, 0);
    digitalWrite(3, 0);
    digitalWrite(4, 0);
    digitalWrite(5, 0);
    digitalWrite(6, 0);
    digitalWrite(7, 0);
    digitalWrite(8, 0);
    digitalWrite(9, 0);
    digitalWrite(10, 0);
    digitalWrite(11, 0);
    digitalWrite(12, 0);
    digitalWrite(13, 0);
    digitalWrite(14, 0);
    digitalWrite(15, 0);
    digitalWrite(16, 0);
    digitalWrite(17, 0);
    digitalWrite(18, 0);
    digitalWrite(19, 0);
    digitalWrite(20 ,0);
    digitalWrite(21, 0);
    digitalWrite(22, 0);
    digitalWrite(23, 0);
    digitalWrite(24, 0);
    digitalWrite(25, 0);
    digitalWrite(26, 0);
    digitalWrite(27, 0);
    digitalWrite(28, 0);
    digitalWrite(29, 0);
    digitalWrite(30, 0);
    digitalWrite(31, 0);
    digitalWrite(32, 0);
    digitalWrite(33, 0);
    digitalWrite(34, 0);
    digitalWrite(35, 0);
    digitalWrite(36, 0);
    digitalWrite(37, 0);
    digitalWrite(38, 0);
    digitalWrite(39, 0);
    delay(500);



  }
  digitalWrite(0,1);
  digitalWrite(1,1);
  digitalWrite(2,1);
  digitalWrite(3,1);
  digitalWrite(8,1);
  digitalWrite(16,1);
  digitalWrite(24,1);
  digitalWrite(32,1);
  digitalWrite(33,1);
  digitalWrite(34,1);  //             10
  digitalWrite(35,1);
  digitalWrite(27,1);
  digitalWrite(19,1);
  digitalWrite(11,1);
  digitalWrite(37,1);
  digitalWrite(29,1);
  digitalWrite(21,1);
  digitalWrite(13,1);
  digitalWrite(5,1);

  delay(1000);

  digitalWrite(5,0);
  digitalWrite(13,0);
  digitalWrite(21,0);
  digitalWrite(29,0);
  digitalWrite(37,0);  //             9
  digitalWrite(11,0);
  digitalWrite(17,1);
  digitalWrite(18,1);

  delay(1000);

  digitalWrite(11,1);  //             8
  
  delay(1000);

  digitalWrite(1,0);
  digitalWrite(2,0);
  digitalWrite(3,0);
  digitalWrite(11,0);
  digitalWrite(19,0);  //             7
  digitalWrite(18,0);
  digitalWrite(17,0);
  digitalWrite(27,0);
  
  delay(1000);

  digitalWrite(24,0);
  digitalWrite(1,1);
  digitalWrite(2,1);
  digitalWrite(3,1);
  digitalWrite(11,1);
  digitalWrite(19,1);  //             6
  digitalWrite(18,1);
  digitalWrite(17,1);
  digitalWrite(27,1);
  digitalWrite(35,1);

  delay(1000);

  digitalWrite(11,0);  //            5

  delay(1000);
   
  digitalWrite(1,0);
  digitalWrite(2,0);
  digitalWrite(3,0);
  digitalWrite(33,0); //             4
  digitalWrite(34,0);
  digitalWrite(24,1);
  
  delay(1000);

  digitalWrite(33,1);
  digitalWrite(34,1);
  digitalWrite(27,0);
  digitalWrite(1,1);  //             3 
  digitalWrite(2,1);
  digitalWrite(3,1);
   
  delay(1000);

  digitalWrite(8,0);
  digitalWrite(11,1);  //            2

  delay(1000);

  digitalWrite(8,1);
  digitalWrite(11,0);
  digitalWrite(1,0);
  digitalWrite(2,0);
  digitalWrite(3,0);
  digitalWrite(19,0);  //           1
  digitalWrite(18,0);
  digitalWrite(17,0);
  digitalWrite(33,0);
  digitalWrite(34,0);
  digitalWrite(35,0);

  delay(1000);

  digitalWrite(1,1);
  digitalWrite(2,1);
  digitalWrite(3,1);
  digitalWrite(11,1);
  digitalWrite(19,1);  //               0
  digitalWrite(27,1);
  digitalWrite(35,1);
  digitalWrite(34,1);
  digitalWrite(33,1);
  
  delay(1000);






  

}