<Li> 91 distinct positions are won by (X) </Li> <Li> 44 distinct positions are won by (O) </Li> <Li> 3 distinct positions are drawn (often called a "cat's game") </Li> <P> A player can play a perfect game of tic - tac - toe (to win or, at least, draw) if each time it is his turn to play he chooses the first available move from the following list, as used in Newell and Simon's 1972 tic - tac - toe program . </P>

What is a cat's game in tic tac toe
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