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

This is a signature puzzle named 'Cynthia'

The 7 elements in each group of this type of puzzle are: C, Y, N, T, H, I, and A.

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

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

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

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

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

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

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