Given the transition matrix:

1/3 0 2/3 0 0 0
0 1/4 0 3/4 0 0
2/3 0 1/3 0 0 0
0 1/5 0 4/5 0 0
1/6 1/6 1/6 1/6 1/6 1/6

How do I find P41(n) as n tends to infinity?? i know its some kind of steady state.. any ideas???