void setup() {
 Serial.begin(115200);
 pinMode(15,OUTPUT);
 pinMode(2,OUTPUT);
 pinMode(4,OUTPUT);
 pinMode(16,OUTPUT);
 pinMode(17,OUTPUT);
 pinMode(5,OUTPUT);
 pinMode(18,OUTPUT);
 pinMode(19,OUTPUT);
 pinMode(21,OUTPUT);
 pinMode(3,OUTPUT);
 pinMode(1,OUTPUT);
 pinMode(22, OUTPUT);
 pinMode(23,OUTPUT);
 pinMode(36,OUTPUT);
 pinMode(39,OUTPUT);
 pinMode(34,OUTPUT);
 pinMode(35,OUTPUT);
 pinMode(32,OUTPUT);
 pinMode(33,OUTPUT);
 pinMode(25,OUTPUT);
 pinMode(26,OUTPUT);
 pinMode(27,OUTPUT);
 pinMode(14,OUTPUT);
 pinMode(12,OUTPUT);
 pinMode(13,OUTPUT);
}

void loop() {
digitalWrite(15,HIGH);
delay(1000);
digitalWrite(15,LOW);
digitalWrite(2,HIGH);
delay(1000);
digitalWrite(2,LOW);
digitalWrite(4,HIGH);
delay(1000);
digitalWrite(4,LOW);
digitalWrite(16,HIGH);
delay(1000);
digitalWrite(16,LOW);
digitalWrite(17,HIGH);
delay(1000);
digitalWrite(17,LOW);
digitalWrite(5,HIGH);
delay(1000);
digitalWrite(5,LOW);
digitalWrite(18,HIGH);
delay(1000);
digitalWrite(18,LOW);
digitalWrite(19,HIGH);
delay(1000);
digitalWrite(19,LOW);
digitalWrite(21,HIGH);
delay(1000);
digitalWrite(21,LOW);
digitalWrite(3,HIGH);
delay(1000);
digitalWrite(3,LOW);
digitalWrite(1,HIGH);
delay(1000);
digitalWrite(1,LOW);
digitalWrite(22,HIGH);
delay(1000);
digitalWrite(22,LOW);
digitalWrite(23,HIGH);
delay(1000);
digitalWrite(23,LOW);
digitalWrite(36,HIGH);
delay(1000);
digitalWrite(36,LOW);
digitalWrite(39,HIGH);
delay(1000);
digitalWrite(39,LOW);
digitalWrite(34,HIGH);
delay(1000);
digitalWrite(34,LOW);
digitalWrite(35,HIGH);
delay(1000);
digitalWrite(35,LOW);
digitalWrite(32,HIGH);
delay(1000);
digitalWrite(32,LOW);
digitalWrite(33,HIGH);
delay(1000);
digitalWrite(33,LOW);
digitalWrite(25,HIGH);
delay(1000);
digitalWrite(25,LOW);
digitalWrite(26,HIGH);
delay(1000);
digitalWrite(26,LOW);
digitalWrite(27,HIGH);
delay(1000);
digitalWrite(27,LOW);
digitalWrite(14,HIGH);
delay(1000);
digitalWrite(14,LOW);
digitalWrite(12,HIGH);
delay(1000);
digitalWrite(12,LOW);
digitalWrite(13,HIGH);
delay(1000);
digitalWrite(13,LOW);
}