Shikaku Rectangles

Some of the cells in the grid are numbered. The objective is to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle.
The game has many solutions, but only a randomly selected by computer is correct. Click in the box and drag the mouse to the right and down - select a colored rectangle.
To validate the puzzle, click the check.

When a bad check, you have
to select each rectangle again.