using static System.Console;

using static System.Math;

using System;

​

public class Program {

    public static void Main() {

        var texto = @"13-00-00-00-73-63-63-64-5C-73-63-63-64-5F-61-78-74-72-65-65-30-30-31-13-00-00-00-73-63-63-64-5F-61-78-74-72-65-65-30-30-31-5F-";

        var divisoes = texto.Split(new[] { "13-00-00-00" }, StringSplitOptions.RemoveEmptyEntries);

        foreach (var divisao in divisoes) {

            foreach (var casa in divisao.Split(new[] {'-'})) WriteLine(casa);

            WriteLine("--");

        }

        WriteLine("Sem traços");

        texto = @"13000000736363645C736363645F61787472656530303113000000736363645F6178747265653030315F";

        divisoes = texto.Split(new[] { "13000000" }, StringSplitOptions.RemoveEmptyEntries);

        foreach (var divisao in divisoes) {

            for (var i = 0; i <= Min(divisao.Length - 1, 37); i+=2) WriteLine(divisao.Substring(i, 2));

            WriteLine("--");

        }

    }

}