This application is the one to enjoy a classic puzzle game

1. The value from 1 to 9 enters doing one line of transversal one by one.
2. The value from 1 to 9 enters doing one line of vertical one by one.
3. The value from 1 to 9 one by one enters the place which was surrounded with the heavy line.
This game is the puzzle game to make a table be complete in above rule.

A new problem is delivered every day and continuing to play forever