ghundruk ko jhol : If you dont know anything, its far better not to talk like Prachanda, baburam, Poudel, Madhav Ku. Ne or Gyanendra or Mamta Banerjee, Karunanidhi,Yang Shangkun. It seems you are like - "Sheikh Hasina" who knows only talking bullshit like what Americans do. Make sure - " SILENCE IS GOLDEN". When it's necessary and very helpful, you can give some suggestions at that time. But fill ur "Cerebellums - Gray Cells" before landing your colorful ideas. -------------------------------------------- Few Guys were interested and we were asking many doubts to solve - This would be helpful: http://theory.tifr.res.in/~sgupta/sudoku/algo.html All the best...