Prasanna Seshadri is a world class solver and setter from India whose puzzles are featured on Logic Masters India and GM Puzzles. His first feature on CTC is a Clever Arrow Sudoku. His showcase video provides an insight into his setting and solving skills and can be viewed by clicking the play button in the centre of the video above.
Selecting a sudoku title will allow you to play it, selecting Simon or Mark image next to the title will allow you to watch it.