Forty and Eight Solitaire is played with two 52-card decks of standard playing cards.
It has the same rules as Forty Thieves except that the number of columns in the Tableau is 8 instead of 10, the number of cards in the Stock is 72 instead of 64 and 2 passes are allowed through the Stock.
For more information, tips and strategy, please refer to Forty Thieves.