Here's a tileset based on a puzzle game I'm sure no one knows about.
http://www.geocities.jp/szkktht/mz/games19.html <-Contains info on the original game
http://wiki.hosiken.jp/petc/?Toukou%2FBLOCK%27N <-Port of the game to the DSi/3DS Petit Computer "petitcom" game.
http://i913.photobucket.com/albums/ac331/Superjustinbros/Sprite%20Sheets/BlocknAtlas.png <-My initial sprite rip. (does not work in Mari0)