Two-Deck game type. 2 decks. No redeal.
Move all cards to the foundations.
Just like Calculation, but with two decks. The foundations build up as follows:
1: A 2 3 4 5 6 7 8 9 T J Q K 2: 2 4 6 8 T Q A 3 5 7 9 J K 3: 3 6 9 Q 2 5 8 J A 4 7 T K 4: 4 8 Q 3 7 J 2 6 T A 5 9 K 5: 5 T 2 7 Q 4 9 A 6 J 3 8 K 6: 6 Q 5 J 4 T 3 9 2 8 A 7 K 7: 7 A 8 2 9 3 T 4 J 5 Q 6 K 8: 8 3 J 6 A 9 4 Q 7 2 T 5 K
The name of the game comes from the fact that when calculating the foundation ranks, you subtract thirteen from any number over thirteen.
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