Connect Four on 6 high, 7 wide grid, there are 4,531,985,219,092 positions for all game boards populated with 0 to 42 pieces. The game was first solved by James Dow Allen (October 1, 1988), and independently by Victor Allis (October 16, 1988). Allis describes a knowledge-based approach, with nine strategies, as a solution for Connect Four. Allen also describes winning strategies in his analysis of the game. At the time of the initial solutions for Connect Four, brute-force analysis was not deemed feasible given the game's complexity and the computer technology available at the time. Connect Four has since been solved with
How Does She Do It? How Does She Do It? "How Does She Do It?" is the fourth episode in the first season of the CBS television series "Supergirl", which aired on November 23, 2015. It was written by Yahlin Chang and Ted Sullivan, and directed by Thor Freudenthal. The episode centers on Kara dealing with babysitting Cat Grant's son while on vacation while tackling a series of attempted bombings that threatens National City. As Supergirl flies around National City, she destroys a drone that was following her. She suspects Hank is watching her, but he denies it and Alex, believing him, tells Kara to