Sudoku Visual Graph: the theory & Practicw

Sudoku is an international quiz, which is accessed each day by millions of newspaper readers across 85 countries. Sudoku Visual Graph is the latest & the ultimate solver of the toughest kind of Sudoku classical quiz. Quiz are graded variously. But the hard quiz is the only kind which is capable of testing the strength of intelligence and mental capabilities of the Sudoku Players. There are very active groups and a lot of research, discussions in forums, websites does take place; quite a num...