Detailed instructions for working a group puzzle of type 'Thadeus'

This is a signature puzzle named 'Thadeus'

The 7 elements in each group of this type of puzzle are: T, H, A, D, E, U, and S.

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

Each row is a group numbered as shown in this Thadeus figure.

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

Each column is a group numbered as shown in this Thadeus figure.

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

Each septomino is a group numbered as shown in this Thadeus figure.

In a Thadeus puzzle, each septomino is a group numbered as shown in the figure above.