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Curious Cheetah

Akari

Background

This puzzle appears to be a Nikoli original.

Puzzle and Goal

An unsolved puzzle consists of a rectangular (typically square) grid. Some of the cells have been blackened, and some of <em>those</em> cells contain digits from 0 to 4.
The goal is to place virtual light bulbs in some of the cells to satisfy the clues.
Akari initial statespacerAkari solution

Rules

The solved grid must satisfy the following conditions:

Other Names

Beleuchtung; Bijutsukan; Galerie; Gebäudesicherung; Gebäudeüberwachung; Light Up

Playable Online