Office Solitaire

The table is set with seven stacks with 1-7 cards each. New cards are dealt by clicking the deck. The cards can be moved around from stack to stack until they can be played to the top row, starting with ace, then two of the same suit, then three etc.
The stacks in the playing area have to alternate between red and black cards in numerical order. Only stacks starting with a king may be placed on an empty area.