Ultimate Tic Tac Toe

from Ross Wehner, originally released 22nd May, 2012

1) Ultimate Tic Tac Toe is a spin on the classic game that combines 9 conventional grids into one large lattice of sub-boards. The goal of the game is to get tic tac toe on three sub-boards arranged in a line vertically, horizontally, or diagonally on the main board.
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