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

This is a signature puzzle named 'Rudolph'

The 7 elements in each group of this type of puzzle are: R, U, D, O, L, P, and H.

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

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

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

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

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

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

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