No. 08 - Shakashaka #01
What is this? I thought this place is abandoned? (Note: This one is a little bit bashy.) Shakashaka rule (from Nikoli ): Place black triangles in the grid under the following rules. There are four kinds of black triangles you can put in the squares: You cannot place black triangles in the black squares. The parts of the grid that remain white (uncovered by black triangles) always form a rectangle or a square. The numbers indicate how many black triangles are around it, vertically and horizontally. Online Play Link