What's the Problem With a Sidoku?

Radio four apparently did an audio version of sidoku. A 275 square foot peudoko was commissioned in a chalk hill at chipping sodbury. The final variants were so different to normal sidokus that the winner from the previous two years, who s gy called thomas snyder, says it was like playing the final of basket ball championship with a different sized ball. There was a second puzzle hidden underneath the first puzzle which accidentally fell down half way through and gave away the surprise.