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

This is a signature puzzle named 'Ambrose'

The 7 elements in each group of this type of puzzle are: A, M, B, R, O, S, and E.

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

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

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

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

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

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

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