Sudoku Puzzle

Introduction:
Sudoku Puzzle is a test of the wisdom and perseverance.
In this seemingly simple little party squares, all with their own imagination, logical reasoning

and creative thinking, to sentiment walk in the front line between success and failure experience.

How to play:
Players according to the known figures , figure out all the remaining space, and meet each row,
each column, each inclusive of a thick line include figures 1-9, not repeated.

Features:
1, There are six levels for the game: Easy, Genneral, Middle, High, Hard, Expert
2, Notes: input temporary data, and the data can be cleared or be saved;
3, automatic save the input, and record the play time;