Posting this Thermo Sudoku for practice of 9th World Sudoku Championship.
This Thermo Sudoku is my second post for Thermo Sudoku. The first one (Thermo Sudoku (Daily Sudoku League #47))I posted under The League of Extraordinary Ladies and Gentlemen, however this one I am posting it under Fun With Sudoku Series as 5th Sudoku in the series.
Solution of Renban Groups Sudoku (Fun With Sudoku #4)
|Renban Groups Sudoku (Fun With Sudoku #4) Solution|