Yukon Solitaire

Objective
The objective in Yukon, like most Solitaire games, is to move all the cards from the Tableau onto the four Foundation piles. The Foundations are ordered by suit and rank, each Foundation has one suit and you must put the cards onto them in ascending order starting from the Ace.There are only two types of piles in Yukon Solitaire.

The Foundations: The four piles in the upper right corner, that you try to fill.
The Tableau: The seven piles that make up the main table, that you try to empty.

The setup
The Tableau piles are numbered from 1 to 7, pile 1 has no facedown card and one faceup card, the rest of the piles from 2-7 have n-1 facedown cards where n is the Tableau number, e.g. Tableau 2 has 1 facedown card, Tableau 3 has 2 facedown cards and so on. Tableaus 2-7 also have 5 faceup cards each on top of the facedown cards.

Allowed moves
You can move a Tableau card onto the Foundations. The card has to be the top card on a Tableau, and be turned up. You can either drag the cards onto the Foundation, or just double click it and then it will go there automatically. When all cards on the Tableau are turned up and ordered then the game will automatically move all the Tableau cards onto the Foundations, since at that point you are guaranteed to win the game.
Move a card from a Foundation back onto the Tableau. You can move the top card of a Foundation back onto the Tableau. This isn't allowed in all Solitaire versions, but we allow it here. It's not a move you use often, but sometimes you might need it to be able to move some other Tableau card afterwards.
Move one or more cards from one Tableau pile to another. You can move many faceup cards together in the Tableau, even if they're not ordered. This is the main thing that makes Yukon different from Klondike (or "normal" Solitaire). If you have red 6, red 10, black 2 together you can still move them all together. If you want to move them onto another Tableau then the top card on the other Tableau must be a different color and one rank above your bottom card. Using the example from before, if you're moving red 6, red 10 and black 2 together, and red 6 is the bottom card then you can only move them onto a black 7, because that's a different color than the red 6 and one rank higher. If you have an empty Tableau pile then you can only place a king there.
You can flip a face down Tableau card. If you have moved a face up card from a Tableau pile so now the top card is face down, then you can click the face down card and it will be flipped and shown face up.
You can Undo as many times as you like. The game offers unlimited undos. Each Undo counts as a new move though, so if you're trying to win the game in as few moves as possible you should be careful about how many undos you use.