Ricki vs Marti

Ricki vs Marti
Logic puzzle game. The game is played on a game board. Clicking on any cell changes it. Also, all cells in the same row and column as the pressing cell change their value to the opposite. So the dog will appear in place of the kitty and the cat will appear in place of the dog.
The aim of the game is to fill the entire field with the same animals, it is desirable to making as little as possible moves.
The game has three difficulty levels: 2 x 2, 4 x 4 and 6 x 6.