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Detailed instructions for working a group puzzle of type 'TicTac-MNO'

The 3 elements in each group of this type of puzzle are: M, N, and O.

Every group in the puzzle must contain exactly this set of elements.

Each row is a group numbered as shown in this TicTac-MNO figure.

In a TicTac-MNO puzzle, each row is a group numbered as shown in the figure above.

Each column is a group numbered as shown in this TicTac-MNO figure.

In a TicTac-MNO puzzle, each column is a group numbered as shown in the figure above.