Solitaire puzzle: The towers

Features Solitaire puzzle: The towers

Solitaire - The Towers : A unique incarnation of the Solitaire game."Patience, or solitaire as it is known in the US and Canada, is a genre of card games that can be played by a single player.
The purpose of patience generally involves manipulating a layout of cards with a goal of sorting them in some manner.
It is possible to play the same games competitively (often a head to head race) and cooperatively." [source: wikipedia]FEATURES:- three levels of difficulty (easy, normal, hard)- support local and global leaderboards (with google play services)RulesGoal:To build up an ascending sequence of cards of the same suit (straight) upon four Ace foundations and to build up a descending straight upon four King foundation piles.Moves inside the tableau:- a player may move only the upper card from the pile to build up kings or ace foundations.- in case, a tableau cell is freed up (there are no more cards in a deck), any card may be moved to that free cellThe stock:- by clicking the stock, the topmost card is moved to one of the decks in the tableau, with the position that equals the clicked card’s value (i.e.
a corresponding to the first deck in the tableau, 2 corresponding to the 2nd, and so forth) and the affected deck will unfold at the bottom of the screen.
- the position of cards in the active deck may be freely changed- by clicking the card-icon, the active deck returns to the tableau Piles of Kings & Aces- cards may be moved back and forth between the piles of Kings and Aces.Difficulty:EASY - in addition to the rules above, the player can have a look under the topmost card (plus help is available)NORMALl - all the above rules applyHARD - the above rules apply with the exception of free card moving between the piles of Kings and Aces