Consider a modified version of the very famous tic-tac-toe game in which player 1 moves first, then player 2 moves second, and finally player 3 moves and the game ends (note that each player plays only once). In addition, suppose that the board has only four squares instead of nine as in the regular game. The number of strategies for player 2 is, and player 3 moves atinformation sets. Please, enter only integer values like: 0, 3, 17, 90, etc.