Light Up (a.k.a. Akari): The goal is to place "light bulbs" in certain white squares to illuminate all white squares. A cell is illuminated by a light bulb if they're in the same row or column, and if there are no black cells between them. Also, no light bulb may illuminate another light bulb. Some of the black cells have numbers in them. A number in a black cell indicates how many light bulbs share an edge with that cell. Hints: Use a circle to represent a light bulb, and a small dot in the center to indicate a square illuminated by a light bulb Puzzle courtesy of www.puzzle-light-up.com. Visit for more free online Akari puzzles. 2 2 0 2 0 1 2 1 12 0 13
Light Up (a.k.a. Akari): The goal is to place "light bulbs" in certain white squares to illuminate all white squares. A cell is illuminated by a light bulb if they're in the same row or column, and if there are no black cells between them. Also, no light bulb may illuminate another light bulb. Some of the black cells have numbers in them. A number in a black cell indicates how many light bulbs share an edge with that cell. Hints: Use a circle to represent a light bulb, and a small dot in the center to indicate a square illuminated by a light bulb Puzzle courtesy of www.puzzle-light-up.com. Visit for more free online Akari puzzles. 2 2 0 2 0 1 2 1 12 0 13
Chapter8: Sequences, Series,and Probability
Section8.6: Counting Principles
Problem 21E: License Plate Numbers In the state of Pennsylvania, each standard automobile license plate number...
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Transcribed Image Text:Light Up (a.k.a. Akari): The goal is to place "light bulbs" in certain white squares to
illuminate all white squares.
A cell is illuminated by a light bulb if they're in the same row or column, and if there are no black cells
between them. Also, no light bulb may illuminate another light bulb. Some of the black cells have
numbers in them. A number in a black cell indicates how many light bulbs share an edge with that cell.
Hints: Use a circle to represent a light bulb, and a small dot in the center to indicate a square illuminated by a light bulb
Puzzle courtesy of www.puzzle-light-up.com. Visit for more free online Akari puzzles.
2
2
0
2
0
1
2
1
12
0
13
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