#define RLED 23
#define YLED 22
#define GLED 21
#define BLED 19
#define PNKLED 18
#define PRPLED 17
#define CYANLED 16
#define LGLED 15

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(RLED, OUTPUT);
  pinMode(YLED, OUTPUT);
  pinMode(GLED, OUTPUT);
  pinMode(BLED, OUTPUT);
pinMode(PNKLED, OUTPUT);
pinMode(PRPLED, OUTPUT);
pinMode(CYANLED, OUTPUT);
pinMode(LGLED, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(RLED, HIGH);
delay(100);
  digitalWrite(RLED, LOW);
  digitalWrite(YLED, HIGH);
delay(100);
digitalWrite(YLED, LOW);
  digitalWrite(GLED, HIGH);
delay(100);
digitalWrite(GLED, LOW);
  digitalWrite(BLED, HIGH);
delay(100);
digitalWrite(BLED, LOW);
  digitalWrite(PNKLED, HIGH);
delay(100);
digitalWrite(PNKLED, LOW);
  digitalWrite(PRPLED, HIGH);
delay(100);
digitalWrite(PRPLED, LOW);
  digitalWrite(CYANLED, HIGH);
delay(100);
digitalWrite(CYANLED, LOW);
  digitalWrite(LGLED, HIGH);
delay(100);
digitalWrite(LGLED, LOW);
}