Instructions
Flip one of the switches on the bottom of the board. This will change the state of all the bulbs in that particular column. This means that any light bulbs that are on will turn off, and vice versa.
Flip one of the switches on the left of the board. This will change the state of all the bulbs in that particular row. This means that any light bulbs that are on will turn off, and vice versa.
Flip the switches as you see fit. The object of the game is to turn on the smallest number of light bulbs that you can.