A good puzzle and strategy game. Easy to play but hard to finish.
* The goal is to remove all cards on board.
* Only the neighboring pair of card can be removed.
* Each pair has a green ligature.
* Cards will be rearrange in order after any removal.
* One removal earn one star.
* Use UNDO or RESHUFFLE if get a dead end.
* The algorithm ensure all games can be resolved with at least one way.