Mind Twister

UntanglePro is a challenging and addictive mind blowing puzzle game.
Your goal is to move the dots to untangle the lines and advance to the next level.
In each and every level you found will be more attractive than last one.
But this variation of the puzzle game contains some fixed node which is connected with other node or mandatory node to have one vert inside respectively.

What you need to do is simple and complex in the same time:-
-all dots on screen are connected by lines
- move dots around screen, and find solution where lines will not crossed.
- Grey dots are locked, you cannot move them - rounded circle node must be contains one vert.
- First levels are easy, but try solving more complex levels.