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

This is a signature puzzle named 'Friends'

The 7 elements in each group of this type of puzzle are: F, R, I, E, N, D, and S.

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

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

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

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

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

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

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