Question: originally backgammon are two kinds of it long and short.
Answer: --> Originally backgammon are two kinds of it long and short.

Question: to be sewn with cross stitch on white pearl aida with 4,4 thr. per . cm ./ 11" after black/ white count pattern.
Answer: --> To be sewn with cross stitch on white Pearl Aida with 4,4 thr. per . cm ./ 11" after black/ white count pattern.

Question: in 1864 he received a doctorate from the university of halle for the same work which had won him the prize from the university of berlin, but he had been far from idle over the years for he had published other important work on the theory of surfaces.
Answer:
--> In 1864 he received a doctorate from the University of Halle for the same work which had won him the prize from the University of Berlin, but he had been far from idle over the years for he had published other important work on the theory of surfaces.