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

This is a signature puzzle named 'Scarlet'

The 7 elements in each group of this type of puzzle are: S, C, A, R, L, E, and T.

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

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

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

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

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

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

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