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Problem Two players alternately write O's (first player) and X's (second player) in the unoccupied cells of an 
grid. The first player (if any) to occupy a set of 
cells having no two cells in the same row or column is the winner. What is the outcome of the game given optimal play?
grid. The first player (if any) to occupy a set of cells having no two cells in the same row or column is the winner. What is the outcome of the game given optimal play? Bibliography
* indicates original appearance(s) of problem.
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CSI of Charles University