2 Decks. Very Easy (90%). Mostly Luck.
To move all the cards to the .
|•||8 piles (middle top) - build the top 4 piles from the of the first card dealt, from Ace to King as necessary, build the bottom 4 piles from one higher than first card dealt, from King to Ace as necessary.|
|•||22 piles (left and right of ) - top card is available for play on the only. Each pile may contain up to 2 cards. Spaces are filled automatically from the . At the start of the game 1 card is dealt face up to each pile.|
|•|| (lower middle, face up) - Top card is available for play on the or or piles. No .|
|•||4 piles (below ) - Storage spaces for one card. The card is available for play on the or .|
Grandmother's is a variation of Grandfather.