#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
#include <avr/power.h>
#endif
#define PIN 10
#define NUMPIXELS 64
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  pixels.begin();
  for (int i=0; i<8; i++) {
    pixels.setPixelColor(8*i+2, pixels.Color(0, 0, 255));
    pixels.setPixelColor(8*i+5, pixels.Color(0, 0, 255));
    pixels.setPixelColor(i+16, pixels.Color(0, 0, 255));
    pixels.setPixelColor(i+40, pixels.Color(0, 0, 255));
  }
  pixels.show();
}

void loop() {
  pixels.setPixelColor(27, pixels.Color(255, 0, 0));
  pixels.setPixelColor(28, pixels.Color(255, 0, 0));
  pixels.setPixelColor(35, pixels.Color(255, 0, 0));
  pixels.setPixelColor(36, pixels.Color(255, 0, 0));
  pixels.show();
  delay(500);
  pixels.setPixelColor(27, pixels.Color(0, 0, 0));
  pixels.setPixelColor(28, pixels.Color(0, 0, 0));
  pixels.setPixelColor(35, pixels.Color(0, 0, 0));
  pixels.setPixelColor(36, pixels.Color(0, 0, 0));
  pixels.show();
  delay(500);
}