Light and Shadow: Equal and Antisymmetric

^{This is an entry for Fortnightly Topic Challenge #44: Introduce a new grid deduction genre to the community}

Light and Shadow is a puzzle where you divide the grid into regions painted either white or black.

Rules of Light and Shadow:

• Divide the grid into white and black regions.
• Each region must contain exactly one number, which specifies the number of cells connected orthogonally (either vertically or horizontally) in that region.
• Regions of the same colour cannot share an edge.

Here is an example puzzle with its solution.

Example Puzzle:

Solution to example puzzle:

Shown below is the actual puzzle you have to solve:

Good luck and have fun!