using System;
using System.Linq;
public class Program
{
public static void Main()
var hexString = "00000B00A0000111";
var stringPairs = Enumerable
.Range(0, hexString.Length)
.GroupBy(x => x / 2)
.Select(x => new string(x.Select(y => hexString[y]).ToArray()))
.SkipWhile(x => x == "00")
.ToList();
foreach (var pair in stringPairs)
Console.WriteLine(pair);
}