is the marikov chain irreducible are chains irreducible is a markov chain irreducible is a markov chain irreducible is a markov chain irreducible is the markov chain irreducible is a markov chain irreducible is a markov chain irreducible if a chain is irreducible why does it not change is the markov chain irreducible is a markov chain irreducible is the markov chain irreducible is a markov chain irreducible is a markov chain irreducible is a markov chain irreducible is the morkov chain irreducible is a markov chain irreducible is the markov chain irreducible is the markov chain irreducible is the markov chain irreducible