Solve the game lights out for 2×2 case. Denote the colors of the cells as b1,
b2, b3, b4, the number...? Solve the game lights out for 2 × 2 case. Denote the colors of the cells as b1 , b2 , b3 , b4 , the number of the clicks that you need to make for a particular cell as x1 , x2 , x3 , x4 , write a system of equations and solve it. Remember that all x and b are from Z2 .
b2, b3, b4, the number...? Solve the game lights out for 2 × 2 case. Denote the colors of the cells as b1 , b2 , b3 , b4 , the number of the clicks that you need to make for a particular cell as x1 , x2 , x3 , x4 , write a system of equations and solve it. Remember that all x and b are from Z2 .