Code and project comments available at http://github.com/JoshCheek/Play/tree/master/sort-viewer/ The pivot is coloured white, items less than the pivot are coloured blue, items greater are coloured pink, items that haven't yet been evaluated are coloured green. Items outside the portion that the pivot is segregating are left white. This is conceptually the same as a merge sort, but I made the pink retain its order to make it easier to see.
