Unblock it! Red car

Unblock it is a logical game. The goal is to get the red car out of the board by sliding the other cars out of the way. Unblock comes with 5 difficult levels. There are 5 categories of difficulty. Each categorie has 200 levels. Each level has 9 puzzles(tasks): 8 puzzles 6x6 and 1 super-puzzle 7x7. There are total (5x200x9) = 9000 tasks. The easiest tasks are solved in 6 moves. The most difficult - in 50 moves. The "Solution"-button is available for free (!) for all tasks(puzzles). No limit.