%mktex(3 ** 6, n=27, seed=350)

%mktblock(data=Randomized, nblocks=3, seed=377, maxiter=50)

%mktex(3 ** 6, n=3**6)
%mktroll(design=design, key=2 3, out=out)
%choiceff(data=out, model=class(x1-x3 / sta), nsets=18,
          nalts=2, seed=151, options=nodups relative, beta=zero)


%mktblock(data=best, nalts=2, nblocks=2, factors=x1-x3, seed=472)