AI GOBANG FVD

It is a GOBANG game equipped with the AI function.
It strengthens gradually at first though it is weak.
It is possible to play for the computer fighting and two people.
If my five stones are displayed, the rule is a win.
The first move cannot strike "4X4" and "3X3".
It is recorded that it wins by the computer fighting in the video arcade.
Because the panel can be rotated, the opposite fighting can be done, too.