M:
  S = 2
  K = 4
y[4]:
	0 H
	1 T
	2  
	3  
a[2x2]:
	0 0 0.801296
	0 1 0.198704
	1 0 0.207124
	1 1 0.792876
b[2x4]:
	0 0 0.518862
	0 1 0.481138
	0 2 0.000000
	0 3 0.000000
	1 0 0.784572
	1 1 0.215428
	1 2 0.000000
	1 3 0.000000
pi[2]:
	0 0.183803
	1 0.816197