Accordion Solitaire (itch)

Accordion Solitaire was the first version of solitaire I ever learned, and every since no one I know has ever heard of it. Its still my favorite version of solitaire, so I spent a weekend whipping up a version for my PC, and now everyone can play it! Accordion Solitaire rules are simple, but difficult to explain without visual aid, so have some screenshots too: Play cards from your hand onto either the last stack, or the stack 3 away if they match value or suit. So in the below case, the 7 of Sp...