int ledPins[] = {3, 5, 6, 9, 10, 11};// hard code locations for leds
const int numVals = 6;
int pwmVals[numVals];

void setup(){
  for( int i = 0; i < numVals; i++){
    pinMode(ledPins[i], OUTPUT);
    pwmVals[i] = 0;
  }
}
void loop(){
  for( int i = 0; i < numVals; i++){
    pwmVals[i] = int( random(255) );
    analogWrite(ledPins[i], pwmVals[i]);
  } 
  delay(100); 
}