void setup() {

}

void loop() {
  // Red mode
  analogWrite(11, 255); 
  analogWrite(10, 0);   
  analogWrite(9, 0);    
  delay(1000);          
  
  // Green mode
  analogWrite(11, 0);   
  analogWrite(10, 255);
  analogWrite(9, 0);    
  delay(1000);          
  
  // Blue mode
  analogWrite(11, 0);  
  analogWrite(10, 0);   
  analogWrite(9, 255); 
  delay(1000);         
  
  // Mystery mode
  analogWrite(11, 100); 
  analogWrite(10, 0);   
  analogWrite(9, 255); 
  delay(1000);          
}