function [pi,o1,o2,k1,k2] = lask8(a,b)

     Q = [-(a+b),a,b,0,0,0,0,0;
	  0,-(20+b),0,b,20,0,0,0;
	  0,0,-(15+a),a,0,15,0,0;
	  0,0,0,-35,0,0,20,15;
	  30,0,0,0,-(30+b),0,b,0; 
	  15,0,0,0,0,-(15+a),0,a;
	  0,30,0,0,0,0,-30,0;
	  0,0,15,0,0,0,0,-15]


pi = ones(1,8)*inverse(Q+ones(8));

o1 = pi*[0,1,0,1,0,0,0,1]';
o2 = pi*[0,0,1,1,0,0,1,0]';
k1 = pi*[0,0,0,0,1,0,1,0]';
k2 = pi*[0,0,0,0,0,1,0,1]';
endfunction;

