Sudoku Akari - 200 Normal Puzzles 9x9 (Volume 20)

Akari (also known as "Light Up", "Bijutsukan") is a logical puzzle.
It is played on a rectangular grid of white and black cells. The player places light bulbs in white cells such that no two bulbs shine on each other, until the entire grid is lit up. A bulb sends rays of light horizontally and vertically, illuminating its entire row and column unless its light is blocked by a black cell. A black cell may have a number on it from 0 to 4, indicating how many bulbs must be placed adjacent to i...