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? "Livewire" up to November 16, 2015. The episode attracted 1,021,000 viewers for its British premiere, making it the 2nd most watched programme on Sky One for the week. Jeff Jensen of "Entertainment Weekly" called the episode a "dud". Cliff Wheatley of IGN gave the episode a 4.5 out of 10, saying, “'How Does She Do It?' is a pretty dull episode of television by any standard, and unfortunately Benoist and a few funny lines aren’t enough to save it. There are too many characters getting a lot of screen time (and Cat not getting enough) without enough presence to keep