Practice Puzzles for Round 1 of Times Sudoku Championship (5th and 6th July at various cities)

Chennai round (July 06): http://epaperbeta.timesofindia.com/Article.aspx?eid=31807&articlexm... 

Delhi round (July 05): http://epaperbeta.timesofindia.com/Article.aspx?eid=31808&articlexm... 

Mumbai round (July 05): http://epaperbeta.timesofindia.com/Article.aspx?eid=31804&articlexm... 

Bangalore round (July 06): http://epaperbeta.timesofindia.com/Article.aspx?eid=31806&articlexm...

Here are few classic 6*6 sudoku for practice. They are not of high quality but enough to give you idea about how the sudoku regions can be in actual contest.

Rules:

Fill each and every row, column and region with numbers 1 to 6.

Puzzles: (Note that 6th and 8th puzzle are almost similar, just little bit of tweaking)