two strips two pins two patterns

// example for setting up two LED strings, each with their own
// pin and CRGB array to allow a different pattern to run on each.

#include <FastLED.h>

#define NUM_LEDS_A 25
#define NUM_LEDS_B 50
CRGB ledsA[NUM_LEDS_A];
CRGB ledsB[NUM_LEDS_B];


void setup() {
  FastLED.addLeds<WS2812, pinA, RGB>(ledsA, NUM_LEDS_A);
  FastLED.addLeds<WS2812, pinB, RGB>(ledsB, NUM_LEDS_B);
}


void loop() {

  //some pattern for A
  EVERY_N_MILLISECONDS(25) {
    for(int i = 0; i < NUM_LEDS_A; i++) {
      static uint8_t hueA;
      ledsA[i] = CHSV(hueA, 200, 200);
      hueA = hueA - 3;
    }
  }

  //some pattern for B
  EVERY_N_MILLISECONDS(42) {
    static unit8_t hueB;
    fill_rainbow( ledsB, NUM_LEDS_B, hueB, 5);
    hueB++;
  }

  FastLED.show();  // update all pixels

}