You have a 3 red and 3 black cards.
Place them one by one, red, black, red, black and now without any funny moves, they colors separate.
When you do again, now it's back into red black position.
It's completely self working.
No math methods, forget about hardcore moves, hallelujah for that.
You will enjoy this method.
From the mind of Rendy'z Virgiawan, this is...
MARS AND VENUS