Don't Triangle

"Do not Triangle", a brand new game that you don't see like before. Your playing will develop intelligence.

The lines should be drawn between the given points. But you must be careful.

Drawn lines shouldn't create a triangle between the three points.
It seems easy. You will see that when try to be easy at all.
Point number and degree of difficulty of each level is increasing.

Depending on the part played, until the end of the game, with the right moves, " without creating a triangle " should not leave moves to the opponent.