Fill the field. Block Puzzle

"Fill the field. Block Puzzle" is the original puzzle game.
The goal of the game is to fill the all playing field by the blocks that appear when you click on special mechanisms.
Other machines allow you to move any objects one square.
The third kind of tools rotates neighboring mechanisms.
If you do not know how to solve the problem - it does not matter.
"Solution" button is available without restriction.
All the tasks are divided into 5 categories of dimension (5x5, 6x6, 7x7, 8x8, 9x9).
Each group has 1000 levels.
There are total (5x1000) = 5000 tasks.