#include <FastLED.h>
#define NUM_LEDS 10
#define DATA_PIN 5
#define CHIPSET WS2812B
#define COLOR_ORDER GRB

CRGB leds[NUM_LEDS];

void M_LEDs() {
  leds[3].setRGB( 255, 68, 221);
  leds[4].setRGB( 255, 68, 221);
  leds[5].setRGB( 255, 68, 221);
  leds[6].setRGB( 255, 68, 221);
  leds[7].setRGB( 255, 68, 221);
}

void setup() {
  FastLED.addLeds<WS2812B, DATA_PIN, COLOR_ORDER>(leds, NUM_LEDS);

}

void loop() {
  M_LEDs();
  FastLED.show();

}