Contents: - 1 book of rules - 4 grids and 4 hiding screens of same colour - 324 oval coins with figures - 324 squared coins with figures - 4 scoring boards and 4 pawns The purpose is to be the quickest to solve a common Sudoku problem, each player having his own color for grid and numbers. The first to solve his grid wins 3 points, the second 2 points, and the third 1 point. First to raise 9 points is the winner. The book of rules have 100 grids and solutions.

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