WS2812b lighting for Quad

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
  #include <avr/power.h>
#endif

#define PIN 4
Adafruit_NeoPixel strip = Adafruit_NeoPixel(24, PIN, NEO_GRB + NEO_KHZ800);
uint32_t RED   = strip.Color( 255, 0, 0 );
uint32_t WHITE = strip.Color( 255, 255, 255 );
uint32_t LEDColours[24] = {
  RED, RED, RED,
  RED, RED, RED,
  WHITE, WHITE, WHITE,
  WHITE, WHITE, WHITE,
  WHITE, WHITE, WHITE,
  WHITE, WHITE, WHITE,
  RED, RED, RED,
  RED, RED, RED
};

void setup() {
  strip.begin();
  strip.show();
  for(uint16_t i=0; i<strip.numPixels(); i++) {
    strip.setPixelColor(i, LEDColours[i]);
    strip.show();
  }
}

void loop() {
}