docs: public static int countSameElements(byte[] arra, int start, byte[] arrb) {
  
          int k     = 0;
          int limit = arra.length - start;
  
          if (limit > arrb.length) {
              limit = arrb.length;
          }
  
          for (int i = 0; i < limit; i++) {
              if (arra[i + start] == arrb[i]) {
                  k++;
              } else {
                  break;
              }
          }
  
          return k;
      }