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

This is a signature puzzle named 'Brigham'

The 7 elements in each group of this type of puzzle are: B, R, I, G, H, A, and M.

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

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

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

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

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

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

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