Puzzle #162 - Hinge

Here's a larger and tricker Hinge puzzle. It's a bit resistant at first but melts once you get a proper foothold.
 

Rules

Shade some cells such that each group of orthogonally connected cells is cut only once by a single straight segment of region borders, across which it must have reflectional symmetry. Numbered regions must contain the indicated amount of shaded cells.
 
Difficulty: 6/10 



 

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