matrix123 modifier

#include <FastLED.h>

#define LED_PIN 6
#define NUM_LEDS 256

CRGB leds[NUM_LEDS];

//prototype
void displayNumber();  //declaration de la methode d'affichage de la matrice

//variable globale
// 0 = noir, 1 = rouge
  int digits[32][8] = {
    {1,1,1,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0},
    {0,0,0,0,0,0,0,0}
  };



void setup() {
  FastLED.addLeds<WS2812B, LED_PIN, GRB>(leds, NUM_LEDS);
}


void loop() {
  // Définir les couleurs pour chaque LED de la matrice
  displayNumber();  //affiche les nombres dans la matrice

    // Envoyer les couleurs à la matrice
    FastLED.show();

    // Attendre pendant une seconde avant de passer au chiffre suivant
    delay(1000);
}

void displayNumber() {
  // 0 = noir, 1 = rouge
  // Afficher le chiffre sur la matrice
  for(int col = 0 ; col <32 ;col++){
    for(int row = 0 ; row <8 ;row++){
        int ledIndex = col*8 + row;
        if ( digits[col][row] ) leds[ledIndex] = CRGB::Red;
        else leds[ledIndex] = CRGB::Black;
    }
  }
}