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

This is a signature puzzle named 'Randolph'

The 8 elements in each group of this type of puzzle are: R, A, N, 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 Randolph figure.

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

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

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

Each 4x2 rectangle is a group numbered as shown in this Randolph figure.

In a Randolph puzzle, each 4x2 rectangle is a group numbered as shown in the figure above.