Крестики-нолики 2 игрока

Most of you must know this classic game called Tic Tac Toe, so we are introducing a new online game called Крестики-нолики 2 игрока. In the game, the number of grids are 3, 5 and 7. Like most головоломка games, this one will have you scratching your head. So, good luck with it!