Square Number Sudoku

Solve this diabolic Square Number Sudoku.

Normal Sudoku Apply.
Additionally, there are some rectangled area, in each area should be read as 1 number.
The numbers must be SQUARE NUMBERS.
There are: 1 1-digit, 18 2-digits, and 5 3-digits square numbers.
Horizontal numbers is read from left to right.
Vertical numbers is read from top to bottom.

Edit : I miss a rectangle, at the 2nd bottom row. Which make the solution not unique. Sory fot the inconvenience. I have replace the picture with the right one.