Here's the puzzle I entered into Logic Showcase #25 (Ubniqu Tilings). The theme for this showcase was to use a non-square grid tiling. Shade some groups of three edge-connected cells such that the remaining unshaded cells form one edge-connected area, and the following rules from each genre are satisfied in their respective sextants: Norinori (Top left): Each region must contain exactly three shaded cells. The grey cells are not part of a region and may contain any number of shaded cells. Hitori (Top center): No two cells containing the same letter which see each other in a straight line along any of the three axes may both be unshaded. Heyawake (Top right): Numbered regions must contain the indicated amount of shaded cells. A straight line of consecutive unshaded cells along any of the three axes may not cross more than one bold...
