Light Up!

"Akari" was developed by Nikoli in 2001. This puzzle has very simple rules, but guide you a logical complex world.

The rules are simple.

1. Place light bulbs according to the following rules.

2. Light bulbs may be placed in any of the white squares, the number in the square shows how many light bulbs are next to it, vertically and horizontally.

3. Each light bulb illuminates from bulb to black square or outer frame in its row and column.

4. Every white square must be illuminated and a light bulb can not illuminate another light bulb.

Enjoy the game!