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The rule of Anti Tic-Tac-Toe is like Tic-Tac-Toe.
The rules are:
There is a 3*3 grid, the squares in the grid are labeled 1 to 9:
123
456
789
X goes first.
The most important rule: If there's a line, a column or a diagonal with all squares non-blank and the squares are not all the same, the p...