# Task № 8.3

## Condition:

A board of size $2022 \times 2022$ is given. Liza and Varya take turns coloring $2 \times 2$ squares on it red and blue, with the agreement that each cell can be painted no more than once in blue and no more than once in red. Cells that are painted blue and then red (or vice versa) become purple. Once all cells are painted, the girls counted how many of them are purple. What results could they have obtained?

## Answer options:

○ $2022 \cdot 2022$

○ $2022 \cdot 2020$

○ $2021 \cdot 2022$

- $2021 \cdot 2020$


## Correct answers:

○ $2022 \cdot 2020$

○ $2021 \cdot 2020$

Exact match of the answer - 1 point
Solution by analogy with task №8. 1

#