Heyawake
            
Translate this site.
Heyawake is a logic puzzle with simple rules and challenging solutions.
The rules of Heyawake are simple:
            You have to color the cells of the grid in black and white according to the rules:
            - Regions with a number should contain black cells matching the number.
            - 2 black cells cannot be adjacent horizontally or vertically.
            - A straight (orthogonal) line of connected white cells cannot span across more than 2 regions.
            - All white cells should be connected in a single group.
