+-5

You can't pay to win. Are you smart enough?

Not so simple logic game.
Only 3 basic rules but only 40%* of players actually understands the game.
Can you do it?
*[currently being tested at Digital Dragon conference 21-22.05.2015!]

1. Drag EACH number from the center to one of the four 6-number containers.
2. If the sum of ANY TWO numbers in the container is +5 or -5, those two numbers disappear.
3. Your goal is to make all the numbers disappear!