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To get another  simulation in one of the excel worksheets below:
 highlight a blank cell and then hit the delete key.

A primitive simulation in Excel for conditional expectations. four state Markov Chain simulator: 
                    conditional_Expectation.xlsx

A four state Markov Chain jump simulator: 
               http://www.zweigmedia.com/RealWorld/markov/markov.html

A primitive four state Markov Chain simulator in Excel: 
                    jumping.xlsx